1235356720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{17729}}^1$

素因数の和:17822

約数の個数: 80

約数和(自身を含む): 3139486560

約数和(自身を除く): 1904129840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 4355, 5360, 6968, 8710, 13936, 17420, 17729, 34840, 35458, 69680, 70916, 88645, 141832, 177290, 230477, 283664, 354580, 460954, 709160, 921908, 1152385, 1187843, 1418320, 1843816, 2304770, 2375686, 3687632, 4609540, 4751372, 5939215, 9219080, 9502744, 11878430, 15441959, 18438160, 19005488, 23756860, 30883918, 47513720, 61767836, 77209795, 95027440, 123535672, 154419590, 247071344, 308839180, 617678360, 1235356720]

約数ペア:

[(1, 1235356720), (2, 617678360), (4, 308839180), (5, 247071344), (8, 154419590), (10, 123535672), (13, 95027440), (16, 77209795), (20, 61767836), (26, 47513720), (40, 30883918), (52, 23756860), (65, 19005488), (67, 18438160), (80, 15441959), (104, 11878430), (130, 9502744), (134, 9219080), (208, 5939215), (260, 4751372), (268, 4609540), (335, 3687632), (520, 2375686), (536, 2304770), (670, 1843816), (871, 1418320), (1040, 1187843), (1072, 1152385), (1340, 921908), (1742, 709160), (2680, 460954), (3484, 354580), (4355, 283664), (5360, 230477), (6968, 177290), (8710, 141832), (13936, 88645), (17420, 70916), (17729, 69680), (34840, 35458)]