2131740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 6971328

約数和(自身を除く): 4839588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 911, 1170, 1822, 2340, 2733, 3644, 4555, 5466, 8199, 9110, 10932, 11843, 13665, 16398, 18220, 23686, 27330, 32796, 35529, 40995, 47372, 54660, 59215, 71058, 81990, 106587, 118430, 142116, 163980, 177645, 213174, 236860, 355290, 426348, 532935, 710580, 1065870, 2131740]

約数ペア:

[(1, 2131740), (2, 1065870), (3, 710580), (4, 532935), (5, 426348), (6, 355290), (9, 236860), (10, 213174), (12, 177645), (13, 163980), (15, 142116), (18, 118430), (20, 106587), (26, 81990), (30, 71058), (36, 59215), (39, 54660), (45, 47372), (52, 40995), (60, 35529), (65, 32796), (78, 27330), (90, 23686), (117, 18220), (130, 16398), (156, 13665), (180, 11843), (195, 10932), (234, 9110), (260, 8199), (390, 5466), (468, 4555), (585, 3644), (780, 2733), (911, 2340), (1170, 1822)]