90421240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24841}}^1$

素因数の和:24872

約数の個数: 64

約数和(自身を含む): 250407360

約数和(自身を除く): 159986120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 24841, 49682, 99364, 124205, 173887, 198728, 248410, 322933, 347774, 496820, 645866, 695548, 869435, 993640, 1291732, 1391096, 1614665, 1738870, 2260531, 2583464, 3229330, 3477740, 4521062, 6458660, 6955480, 9042124, 11302655, 12917320, 18084248, 22605310, 45210620, 90421240]

約数ペア:

[(1, 90421240), (2, 45210620), (4, 22605310), (5, 18084248), (7, 12917320), (8, 11302655), (10, 9042124), (13, 6955480), (14, 6458660), (20, 4521062), (26, 3477740), (28, 3229330), (35, 2583464), (40, 2260531), (52, 1738870), (56, 1614665), (65, 1391096), (70, 1291732), (91, 993640), (104, 869435), (130, 695548), (140, 645866), (182, 496820), (260, 347774), (280, 322933), (364, 248410), (455, 198728), (520, 173887), (728, 124205), (910, 99364), (1820, 49682), (3640, 24841)]