642206880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{7079}}^1$

素因数の和:7113

約数の個数: 240

約数和(自身を含む): 2590600320

約数和(自身を除く): 1948393440

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, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7079, 7560, 9072, 10080, 11340, 12960, 14158, 15120, 18144, 21237, 22680, 28316, 30240, 35395, 42474, 45360, 49553, 56632, 63711, 70790, 84948, 90720, 99106, 106185, 113264, 127422, 141580, 148659, 169896, 191133, 198212, 212370, 226528, 247765, 254844, 283160, 297318, 318555, 339792, 382266, 396424, 424740, 445977, 495530, 509688, 566320, 573399, 594636, 637110, 679584, 743295, 764532, 792848, 849480, 891954, 955665, 991060, 1019376, 1132640, 1146798, 1189272, 1274220, 1337931, 1486590, 1529064, 1585696, 1698960, 1783908, 1911330, 1982120, 2038752, 2229885, 2293596, 2378544, 2548440, 2675862, 2866995, 2973180, 3058128, 3397920, 3567816, 3822660, 3964240, 4013793, 4459770, 4587192, 4757088, 5096880, 5351724, 5733990, 5946360, 6116256, 6689655, 7135632, 7645320, 7928480, 8027586, 8919540, 9174384, 10193760, 10703448, 11467980, 11892720, 13379310, 14271264, 15290640, 16055172, 17839080, 18348768, 20068965, 21406896, 22935960, 23785440, 26758620, 30581280, 32110344, 35678160, 40137930, 42813792, 45871920, 53517240, 64220688, 71356320, 80275860, 91743840, 107034480, 128441376, 160551720, 214068960, 321103440, 642206880]

約数ペア:

[(1, 642206880), (2, 321103440), (3, 214068960), (4, 160551720), (5, 128441376), (6, 107034480), (7, 91743840), (8, 80275860), (9, 71356320), (10, 64220688), (12, 53517240), (14, 45871920), (15, 42813792), (16, 40137930), (18, 35678160), (20, 32110344), (21, 30581280), (24, 26758620), (27, 23785440), (28, 22935960), (30, 21406896), (32, 20068965), (35, 18348768), (36, 17839080), (40, 16055172), (42, 15290640), (45, 14271264), (48, 13379310), (54, 11892720), (56, 11467980), (60, 10703448), (63, 10193760), (70, 9174384), (72, 8919540), (80, 8027586), (81, 7928480), (84, 7645320), (90, 7135632), (96, 6689655), (105, 6116256), (108, 5946360), (112, 5733990), (120, 5351724), (126, 5096880), (135, 4757088), (140, 4587192), (144, 4459770), (160, 4013793), (162, 3964240), (168, 3822660), (180, 3567816), (189, 3397920), (210, 3058128), (216, 2973180), (224, 2866995), (240, 2675862), (252, 2548440), (270, 2378544), (280, 2293596), (288, 2229885), (315, 2038752), (324, 1982120), (336, 1911330), (360, 1783908), (378, 1698960), (405, 1585696), (420, 1529064), (432, 1486590), (480, 1337931), (504, 1274220), (540, 1189272), (560, 1146798), (567, 1132640), (630, 1019376), (648, 991060), (672, 955665), (720, 891954), (756, 849480), (810, 792848), (840, 764532), (864, 743295), (945, 679584), (1008, 637110), (1080, 594636), (1120, 573399), (1134, 566320), (1260, 509688), (1296, 495530), (1440, 445977), (1512, 424740), (1620, 396424), (1680, 382266), (1890, 339792), (2016, 318555), (2160, 297318), (2268, 283160), (2520, 254844), (2592, 247765), (2835, 226528), (3024, 212370), (3240, 198212), (3360, 191133), (3780, 169896), (4320, 148659), (4536, 141580), (5040, 127422), (5670, 113264), (6048, 106185), (6480, 99106), (7079, 90720), (7560, 84948), (9072, 70790), (10080, 63711), (11340, 56632), (12960, 49553), (14158, 45360), (15120, 42474), (18144, 35395), (21237, 30240), (22680, 28316)]