638850240

素因数分解:

$2^6\times 3^4\times 5^1\times 7^2\times {\mathrm{503}}^1$

素因数の和:546

約数の個数: 420

約数和(自身を含む): 2648779056

約数和(自身を除く): 2009928816

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, 503, 504, 540, 560, 567, 576, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 960, 980, 1006, 1008, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1344, 1440, 1470, 1509, 1512, 1568, 1620, 1680, 1728, 1764, 1890, 1960, 2012, 2016, 2160, 2205, 2240, 2268, 2352, 2515, 2520, 2592, 2646, 2835, 2880, 2940, 3018, 3024, 3136, 3240, 3360, 3521, 3528, 3780, 3920, 3969, 4024, 4032, 4320, 4410, 4527, 4536, 4704, 5030, 5040, 5184, 5292, 5670, 5880, 6036, 6048, 6480, 6615, 6720, 7042, 7056, 7545, 7560, 7840, 7938, 8048, 8640, 8820, 9054, 9072, 9408, 10060, 10080, 10563, 10584, 11340, 11760, 12072, 12096, 12960, 13230, 13581, 14084, 14112, 15090, 15120, 15680, 15876, 16096, 17605, 17640, 18108, 18144, 19845, 20120, 20160, 21126, 21168, 22635, 22680, 23520, 24144, 24647, 25920, 26460, 27162, 28168, 28224, 30180, 30240, 31689, 31752, 32192, 35210, 35280, 36216, 36288, 39690, 40240, 40743, 42252, 42336, 45270, 45360, 47040, 48288, 49294, 52815, 52920, 54324, 56336, 60360, 60480, 63378, 63504, 67905, 70420, 70560, 72432, 73941, 79380, 80480, 81486, 84504, 84672, 90540, 90720, 95067, 96576, 98588, 105630, 105840, 108648, 112672, 120720, 123235, 126756, 127008, 135810, 140840, 141120, 144864, 147882, 158445, 158760, 160960, 162972, 169008, 181080, 181440, 190134, 197176, 203715, 211260, 211680, 217296, 221823, 225344, 241440, 246470, 253512, 254016, 271620, 281680, 285201, 289728, 295764, 316890, 317520, 325944, 338016, 362160, 369705, 380268, 394352, 407430, 422520, 423360, 434592, 443646, 475335, 482880, 492940, 507024, 543240, 563360, 570402, 591528, 633780, 635040, 651888, 665469, 676032, 724320, 739410, 760536, 788704, 814860, 845040, 869184, 887292, 950670, 985880, 1014048, 1086480, 1109115, 1126720, 1140804, 1183056, 1267560, 1270080, 1303776, 1330938, 1426005, 1448640, 1478820, 1521072, 1577408, 1629720, 1690080, 1774584, 1901340, 1971760, 1996407, 2028096, 2172960, 2218230, 2281608, 2366112, 2535120, 2607552, 2661876, 2852010, 2957640, 3042144, 3259440, 3327345, 3380160, 3549168, 3802680, 3943520, 3992814, 4345920, 4436460, 4563216, 4732224, 5070240, 5323752, 5704020, 5915280, 6084288, 6518880, 6654690, 7098336, 7605360, 7887040, 7985628, 8872920, 9126432, 9982035, 10140480, 10647504, 11408040, 11830560, 13037760, 13309380, 14196672, 15210720, 15971256, 17745840, 18252864, 19964070, 21295008, 22816080, 23661120, 26618760, 30421440, 31942512, 35491680, 39928140, 42590016, 45632160, 53237520, 63885024, 70983360, 79856280, 91264320, 106475040, 127770048, 159712560, 212950080, 319425120, 638850240]

約数ペア:

[(1, 638850240), (2, 319425120), (3, 212950080), (4, 159712560), (5, 127770048), (6, 106475040), (7, 91264320), (8, 79856280), (9, 70983360), (10, 63885024), (12, 53237520), (14, 45632160), (15, 42590016), (16, 39928140), (18, 35491680), (20, 31942512), (21, 30421440), (24, 26618760), (27, 23661120), (28, 22816080), (30, 21295008), (32, 19964070), (35, 18252864), (36, 17745840), (40, 15971256), (42, 15210720), (45, 14196672), (48, 13309380), (49, 13037760), (54, 11830560), (56, 11408040), (60, 10647504), (63, 10140480), (64, 9982035), (70, 9126432), (72, 8872920), (80, 7985628), (81, 7887040), (84, 7605360), (90, 7098336), (96, 6654690), (98, 6518880), (105, 6084288), (108, 5915280), (112, 5704020), (120, 5323752), (126, 5070240), (135, 4732224), (140, 4563216), (144, 4436460), (147, 4345920), (160, 3992814), (162, 3943520), (168, 3802680), (180, 3549168), (189, 3380160), (192, 3327345), (196, 3259440), (210, 3042144), (216, 2957640), (224, 2852010), (240, 2661876), (245, 2607552), (252, 2535120), (270, 2366112), (280, 2281608), (288, 2218230), (294, 2172960), (315, 2028096), (320, 1996407), (324, 1971760), (336, 1901340), (360, 1774584), (378, 1690080), (392, 1629720), (405, 1577408), (420, 1521072), (432, 1478820), (441, 1448640), (448, 1426005), (480, 1330938), (490, 1303776), (503, 1270080), (504, 1267560), (540, 1183056), (560, 1140804), (567, 1126720), (576, 1109115), (588, 1086480), (630, 1014048), (648, 985880), (672, 950670), (720, 887292), (735, 869184), (756, 845040), (784, 814860), (810, 788704), (840, 760536), (864, 739410), (882, 724320), (945, 676032), (960, 665469), (980, 651888), (1006, 635040), (1008, 633780), (1080, 591528), (1120, 570402), (1134, 563360), (1176, 543240), (1260, 507024), (1296, 492940), (1323, 482880), (1344, 475335), (1440, 443646), (1470, 434592), (1509, 423360), (1512, 422520), (1568, 407430), (1620, 394352), (1680, 380268), (1728, 369705), (1764, 362160), (1890, 338016), (1960, 325944), (2012, 317520), (2016, 316890), (2160, 295764), (2205, 289728), (2240, 285201), (2268, 281680), (2352, 271620), (2515, 254016), (2520, 253512), (2592, 246470), (2646, 241440), (2835, 225344), (2880, 221823), (2940, 217296), (3018, 211680), (3024, 211260), (3136, 203715), (3240, 197176), (3360, 190134), (3521, 181440), (3528, 181080), (3780, 169008), (3920, 162972), (3969, 160960), (4024, 158760), (4032, 158445), (4320, 147882), (4410, 144864), (4527, 141120), (4536, 140840), (4704, 135810), (5030, 127008), (5040, 126756), (5184, 123235), (5292, 120720), (5670, 112672), (5880, 108648), (6036, 105840), (6048, 105630), (6480, 98588), (6615, 96576), (6720, 95067), (7042, 90720), (7056, 90540), (7545, 84672), (7560, 84504), (7840, 81486), (7938, 80480), (8048, 79380), (8640, 73941), (8820, 72432), (9054, 70560), (9072, 70420), (9408, 67905), (10060, 63504), (10080, 63378), (10563, 60480), (10584, 60360), (11340, 56336), (11760, 54324), (12072, 52920), (12096, 52815), (12960, 49294), (13230, 48288), (13581, 47040), (14084, 45360), (14112, 45270), (15090, 42336), (15120, 42252), (15680, 40743), (15876, 40240), (16096, 39690), (17605, 36288), (17640, 36216), (18108, 35280), (18144, 35210), (19845, 32192), (20120, 31752), (20160, 31689), (21126, 30240), (21168, 30180), (22635, 28224), (22680, 28168), (23520, 27162), (24144, 26460), (24647, 25920)]