30791280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 104993280

約数和(自身を除く): 74202000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 71, 78, 80, 104, 120, 130, 139, 142, 156, 195, 208, 213, 240, 260, 278, 284, 312, 355, 390, 417, 426, 520, 556, 568, 624, 695, 710, 780, 834, 852, 923, 1040, 1065, 1112, 1136, 1390, 1420, 1560, 1668, 1704, 1807, 1846, 2085, 2130, 2224, 2769, 2780, 2840, 3120, 3336, 3408, 3614, 3692, 4170, 4260, 4615, 5421, 5538, 5560, 5680, 6672, 7228, 7384, 8340, 8520, 9035, 9230, 9869, 10842, 11076, 11120, 13845, 14456, 14768, 16680, 17040, 18070, 18460, 19738, 21684, 22152, 27105, 27690, 28912, 29607, 33360, 36140, 36920, 39476, 43368, 44304, 49345, 54210, 55380, 59214, 72280, 73840, 78952, 86736, 98690, 108420, 110760, 118428, 128297, 144560, 148035, 157904, 197380, 216840, 221520, 236856, 256594, 296070, 384891, 394760, 433680, 473712, 513188, 592140, 641485, 769782, 789520, 1026376, 1184280, 1282970, 1539564, 1924455, 2052752, 2368560, 2565940, 3079128, 3848910, 5131880, 6158256, 7697820, 10263760, 15395640, 30791280]

約数ペア:

[(1, 30791280), (2, 15395640), (3, 10263760), (4, 7697820), (5, 6158256), (6, 5131880), (8, 3848910), (10, 3079128), (12, 2565940), (13, 2368560), (15, 2052752), (16, 1924455), (20, 1539564), (24, 1282970), (26, 1184280), (30, 1026376), (39, 789520), (40, 769782), (48, 641485), (52, 592140), (60, 513188), (65, 473712), (71, 433680), (78, 394760), (80, 384891), (104, 296070), (120, 256594), (130, 236856), (139, 221520), (142, 216840), (156, 197380), (195, 157904), (208, 148035), (213, 144560), (240, 128297), (260, 118428), (278, 110760), (284, 108420), (312, 98690), (355, 86736), (390, 78952), (417, 73840), (426, 72280), (520, 59214), (556, 55380), (568, 54210), (624, 49345), (695, 44304), (710, 43368), (780, 39476), (834, 36920), (852, 36140), (923, 33360), (1040, 29607), (1065, 28912), (1112, 27690), (1136, 27105), (1390, 22152), (1420, 21684), (1560, 19738), (1668, 18460), (1704, 18070), (1807, 17040), (1846, 16680), (2085, 14768), (2130, 14456), (2224, 13845), (2769, 11120), (2780, 11076), (2840, 10842), (3120, 9869), (3336, 9230), (3408, 9035), (3614, 8520), (3692, 8340), (4170, 7384), (4260, 7228), (4615, 6672), (5421, 5680), (5538, 5560)]