7918170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 20805120

約数和(自身を除く): 12886950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 257, 390, 395, 474, 514, 771, 790, 1027, 1185, 1285, 1542, 2054, 2370, 2570, 3081, 3341, 3855, 5135, 6162, 6682, 7710, 10023, 10270, 15405, 16705, 20046, 20303, 30810, 33410, 40606, 50115, 60909, 100230, 101515, 121818, 203030, 263939, 304545, 527878, 609090, 791817, 1319695, 1583634, 2639390, 3959085, 7918170]

約数ペア:

[(1, 7918170), (2, 3959085), (3, 2639390), (5, 1583634), (6, 1319695), (10, 791817), (13, 609090), (15, 527878), (26, 304545), (30, 263939), (39, 203030), (65, 121818), (78, 101515), (79, 100230), (130, 60909), (158, 50115), (195, 40606), (237, 33410), (257, 30810), (390, 20303), (395, 20046), (474, 16705), (514, 15405), (771, 10270), (790, 10023), (1027, 7710), (1185, 6682), (1285, 6162), (1542, 5135), (2054, 3855), (2370, 3341), (2570, 3081)]