31564680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 110419200

約数和(自身を除く): 78854520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 709, 742, 795, 840, 1060, 1113, 1272, 1418, 1484, 1590, 1855, 2120, 2127, 2226, 2836, 2968, 3180, 3545, 3710, 4254, 4452, 4963, 5565, 5672, 6360, 7090, 7420, 8508, 8904, 9926, 10635, 11130, 14180, 14840, 14889, 17016, 19852, 21270, 22260, 24815, 28360, 29778, 37577, 39704, 42540, 44520, 49630, 59556, 74445, 75154, 85080, 99260, 112731, 119112, 148890, 150308, 187885, 198520, 225462, 263039, 297780, 300616, 375770, 450924, 526078, 563655, 595560, 751540, 789117, 901848, 1052156, 1127310, 1315195, 1503080, 1578234, 2104312, 2254620, 2630390, 3156468, 3945585, 4509240, 5260780, 6312936, 7891170, 10521560, 15782340, 31564680]

約数ペア:

[(1, 31564680), (2, 15782340), (3, 10521560), (4, 7891170), (5, 6312936), (6, 5260780), (7, 4509240), (8, 3945585), (10, 3156468), (12, 2630390), (14, 2254620), (15, 2104312), (20, 1578234), (21, 1503080), (24, 1315195), (28, 1127310), (30, 1052156), (35, 901848), (40, 789117), (42, 751540), (53, 595560), (56, 563655), (60, 526078), (70, 450924), (84, 375770), (105, 300616), (106, 297780), (120, 263039), (140, 225462), (159, 198520), (168, 187885), (210, 150308), (212, 148890), (265, 119112), (280, 112731), (318, 99260), (371, 85080), (420, 75154), (424, 74445), (530, 59556), (636, 49630), (709, 44520), (742, 42540), (795, 39704), (840, 37577), (1060, 29778), (1113, 28360), (1272, 24815), (1418, 22260), (1484, 21270), (1590, 19852), (1855, 17016), (2120, 14889), (2127, 14840), (2226, 14180), (2836, 11130), (2968, 10635), (3180, 9926), (3545, 8904), (3710, 8508), (4254, 7420), (4452, 7090), (4963, 6360), (5565, 5672)]