7756840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2162

約数の個数: 64

約数和(自身を含む): 21490560

約数和(自身を除く): 13733720

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, 2131, 3640, 4262, 8524, 10655, 14917, 17048, 21310, 27703, 29834, 42620, 55406, 59668, 74585, 85240, 110812, 119336, 138515, 149170, 193921, 221624, 277030, 298340, 387842, 554060, 596680, 775684, 969605, 1108120, 1551368, 1939210, 3878420, 7756840]

約数ペア:

[(1, 7756840), (2, 3878420), (4, 1939210), (5, 1551368), (7, 1108120), (8, 969605), (10, 775684), (13, 596680), (14, 554060), (20, 387842), (26, 298340), (28, 277030), (35, 221624), (40, 193921), (52, 149170), (56, 138515), (65, 119336), (70, 110812), (91, 85240), (104, 74585), (130, 59668), (140, 55406), (182, 42620), (260, 29834), (280, 27703), (364, 21310), (455, 17048), (520, 14917), (728, 10655), (910, 8524), (1820, 4262), (2131, 3640)]