72221240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19841}}^1$

素因数の和:19872

約数の個数: 64

約数和(自身を含む): 200007360

約数和(自身を除く): 127786120

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, 19841, 39682, 79364, 99205, 138887, 158728, 198410, 257933, 277774, 396820, 515866, 555548, 694435, 793640, 1031732, 1111096, 1289665, 1388870, 1805531, 2063464, 2579330, 2777740, 3611062, 5158660, 5555480, 7222124, 9027655, 10317320, 14444248, 18055310, 36110620, 72221240]

約数ペア:

[(1, 72221240), (2, 36110620), (4, 18055310), (5, 14444248), (7, 10317320), (8, 9027655), (10, 7222124), (13, 5555480), (14, 5158660), (20, 3611062), (26, 2777740), (28, 2579330), (35, 2063464), (40, 1805531), (52, 1388870), (56, 1289665), (65, 1111096), (70, 1031732), (91, 793640), (104, 694435), (130, 555548), (140, 515866), (182, 396820), (260, 277774), (280, 257933), (364, 198410), (455, 158728), (520, 138887), (728, 99205), (910, 79364), (1820, 39682), (3640, 19841)]