20779778880

素因数分解:

$2^6\times 3^4\times 5^1\times 7^2\times {\mathrm{16361}}^1$

素因数の和:16404

約数の個数: 420

約数和(自身を含む): 85990720068

約数和(自身を除く): 65210941188

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 392, 405, 420, 432, 441, 448, 480, 490, 504, 540, 560, 567, 576, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 960, 980, 1008, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1344, 1440, 1470, 1512, 1568, 1620, 1680, 1728, 1764, 1890, 1960, 2016, 2160, 2205, 2240, 2268, 2352, 2520, 2592, 2646, 2835, 2880, 2940, 3024, 3136, 3240, 3360, 3528, 3780, 3920, 3969, 4032, 4320, 4410, 4536, 4704, 5040, 5184, 5292, 5670, 5880, 6048, 6480, 6615, 6720, 7056, 7560, 7840, 7938, 8640, 8820, 9072, 9408, 10080, 10584, 11340, 11760, 12096, 12960, 13230, 14112, 15120, 15680, 15876, 16361, 17640, 18144, 19845, 20160, 21168, 22680, 23520, 25920, 26460, 28224, 30240, 31752, 32722, 35280, 36288, 39690, 42336, 45360, 47040, 49083, 52920, 60480, 63504, 65444, 70560, 79380, 81805, 84672, 90720, 98166, 105840, 114527, 127008, 130888, 141120, 147249, 158760, 163610, 181440, 196332, 211680, 229054, 245415, 254016, 261776, 294498, 317520, 327220, 343581, 392664, 423360, 441747, 458108, 490830, 523552, 572635, 588996, 635040, 654440, 687162, 736245, 785328, 801689, 883494, 916216, 981660, 1030743, 1047104, 1145270, 1177992, 1270080, 1308880, 1325241, 1374324, 1472490, 1570656, 1603378, 1717905, 1766988, 1832432, 1963320, 2061486, 2208735, 2290540, 2355984, 2405067, 2617760, 2650482, 2748648, 2944980, 3092229, 3141312, 3206756, 3435810, 3533976, 3664864, 3926640, 4008445, 4122972, 4417470, 4581080, 4711968, 4810134, 5153715, 5235520, 5300964, 5497296, 5889960, 6184458, 6413512, 6626205, 6871620, 7067952, 7215201, 7329728, 7853280, 8016890, 8245944, 8834940, 9162160, 9276687, 9423936, 9620268, 10307430, 10601928, 10994592, 11779920, 12025335, 12368916, 12827024, 13252410, 13743240, 14135904, 14430402, 15461145, 15706560, 16033780, 16491888, 17669880, 18324320, 18553374, 19240536, 20614860, 21203856, 21645603, 21989184, 23559840, 24050670, 24737832, 25654048, 26504820, 27486480, 28271808, 28860804, 30922290, 32067560, 32983776, 35339760, 36076005, 36648640, 37106748, 38481072, 41229720, 42407712, 43291206, 46383435, 47119680, 48101340, 49475664, 51308096, 53009640, 54972960, 57721608, 61844580, 64135120, 64936809, 65967552, 70679520, 72152010, 74213496, 76962144, 82459440, 84815424, 86582412, 92766870, 96202680, 98951328, 106019280, 108228015, 109945920, 115443216, 123689160, 128270240, 129873618, 141359040, 144304020, 148426992, 153924288, 164918880, 173164824, 185533740, 192405360, 197902656, 212038560, 216456030, 230886432, 247378320, 256540480, 259747236, 288608040, 296853984, 324684045, 329837760, 346329648, 371067480, 384810720, 424077120, 432912060, 461772864, 494756640, 519494472, 577216080, 593707968, 649368090, 692659296, 742134960, 769621440, 865824120, 989513280, 1038988944, 1154432160, 1298736180, 1385318592, 1484269920, 1731648240, 2077977888, 2308864320, 2597472360, 2968539840, 3463296480, 4155955776, 5194944720, 6926592960, 10389889440, 20779778880]

約数ペア:

[(1, 20779778880), (2, 10389889440), (3, 6926592960), (4, 5194944720), (5, 4155955776), (6, 3463296480), (7, 2968539840), (8, 2597472360), (9, 2308864320), (10, 2077977888), (12, 1731648240), (14, 1484269920), (15, 1385318592), (16, 1298736180), (18, 1154432160), (20, 1038988944), (21, 989513280), (24, 865824120), (27, 769621440), (28, 742134960), (30, 692659296), (32, 649368090), (35, 593707968), (36, 577216080), (40, 519494472), (42, 494756640), (45, 461772864), (48, 432912060), (49, 424077120), (54, 384810720), (56, 371067480), (60, 346329648), (63, 329837760), (64, 324684045), (70, 296853984), (72, 288608040), (80, 259747236), (81, 256540480), (84, 247378320), (90, 230886432), (96, 216456030), (98, 212038560), (105, 197902656), (108, 192405360), (112, 185533740), (120, 173164824), (126, 164918880), (135, 153924288), (140, 148426992), (144, 144304020), (147, 141359040), (160, 129873618), (162, 128270240), (168, 123689160), (180, 115443216), (189, 109945920), (192, 108228015), (196, 106019280), (210, 98951328), (216, 96202680), (224, 92766870), (240, 86582412), (245, 84815424), (252, 82459440), (270, 76962144), (280, 74213496), (288, 72152010), (294, 70679520), (315, 65967552), (320, 64936809), (324, 64135120), (336, 61844580), (360, 57721608), (378, 54972960), (392, 53009640), (405, 51308096), (420, 49475664), (432, 48101340), (441, 47119680), (448, 46383435), (480, 43291206), (490, 42407712), (504, 41229720), (540, 38481072), (560, 37106748), (567, 36648640), (576, 36076005), (588, 35339760), (630, 32983776), (648, 32067560), (672, 30922290), (720, 28860804), (735, 28271808), (756, 27486480), (784, 26504820), (810, 25654048), (840, 24737832), (864, 24050670), (882, 23559840), (945, 21989184), (960, 21645603), (980, 21203856), (1008, 20614860), (1080, 19240536), (1120, 18553374), (1134, 18324320), (1176, 17669880), (1260, 16491888), (1296, 16033780), (1323, 15706560), (1344, 15461145), (1440, 14430402), (1470, 14135904), (1512, 13743240), (1568, 13252410), (1620, 12827024), (1680, 12368916), (1728, 12025335), (1764, 11779920), (1890, 10994592), (1960, 10601928), (2016, 10307430), (2160, 9620268), (2205, 9423936), (2240, 9276687), (2268, 9162160), (2352, 8834940), (2520, 8245944), (2592, 8016890), (2646, 7853280), (2835, 7329728), (2880, 7215201), (2940, 7067952), (3024, 6871620), (3136, 6626205), (3240, 6413512), (3360, 6184458), (3528, 5889960), (3780, 5497296), (3920, 5300964), (3969, 5235520), (4032, 5153715), (4320, 4810134), (4410, 4711968), (4536, 4581080), (4704, 4417470), (5040, 4122972), (5184, 4008445), (5292, 3926640), (5670, 3664864), (5880, 3533976), (6048, 3435810), (6480, 3206756), (6615, 3141312), (6720, 3092229), (7056, 2944980), (7560, 2748648), (7840, 2650482), (7938, 2617760), (8640, 2405067), (8820, 2355984), (9072, 2290540), (9408, 2208735), (10080, 2061486), (10584, 1963320), (11340, 1832432), (11760, 1766988), (12096, 1717905), (12960, 1603378), (13230, 1570656), (14112, 1472490), (15120, 1374324), (15680, 1325241), (15876, 1308880), (16361, 1270080), (17640, 1177992), (18144, 1145270), (19845, 1047104), (20160, 1030743), (21168, 981660), (22680, 916216), (23520, 883494), (25920, 801689), (26460, 785328), (28224, 736245), (30240, 687162), (31752, 654440), (32722, 635040), (35280, 588996), (36288, 572635), (39690, 523552), (42336, 490830), (45360, 458108), (47040, 441747), (49083, 423360), (52920, 392664), (60480, 343581), (63504, 327220), (65444, 317520), (70560, 294498), (79380, 261776), (81805, 254016), (84672, 245415), (90720, 229054), (98166, 211680), (105840, 196332), (114527, 181440), (127008, 163610), (130888, 158760), (141120, 147249)]