20160786880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{285079}}^1$

素因数の和:285126

約数の個数: 112

約数和(自身を含む): 54742201920

約数和(自身を除く): 34581415040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4160, 4420, 5440, 7072, 8840, 14144, 17680, 35360, 70720, 285079, 570158, 1140316, 1425395, 2280632, 2850790, 3706027, 4561264, 4846343, 5701580, 7412054, 9122528, 9692686, 11403160, 14824108, 18245056, 18530135, 19385372, 22806320, 24231715, 29648216, 37060270, 38770744, 45612640, 48463430, 59296432, 63002459, 74120540, 77541488, 91225280, 96926860, 118592864, 126004918, 148241080, 155082976, 193853720, 237185728, 252009836, 296482160, 310165952, 315012295, 387707440, 504019672, 592964320, 630024590, 775414880, 1008039344, 1185928640, 1260049180, 1550829760, 2016078688, 2520098360, 4032157376, 5040196720, 10080393440, 20160786880]

約数ペア:

[(1, 20160786880), (2, 10080393440), (4, 5040196720), (5, 4032157376), (8, 2520098360), (10, 2016078688), (13, 1550829760), (16, 1260049180), (17, 1185928640), (20, 1008039344), (26, 775414880), (32, 630024590), (34, 592964320), (40, 504019672), (52, 387707440), (64, 315012295), (65, 310165952), (68, 296482160), (80, 252009836), (85, 237185728), (104, 193853720), (130, 155082976), (136, 148241080), (160, 126004918), (170, 118592864), (208, 96926860), (221, 91225280), (260, 77541488), (272, 74120540), (320, 63002459), (340, 59296432), (416, 48463430), (442, 45612640), (520, 38770744), (544, 37060270), (680, 29648216), (832, 24231715), (884, 22806320), (1040, 19385372), (1088, 18530135), (1105, 18245056), (1360, 14824108), (1768, 11403160), (2080, 9692686), (2210, 9122528), (2720, 7412054), (3536, 5701580), (4160, 4846343), (4420, 4561264), (5440, 3706027), (7072, 2850790), (8840, 2280632), (14144, 1425395), (17680, 1140316), (35360, 570158), (70720, 285079)]