1306370840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{46457}}^1$

素因数の和:46524

約数の個数: 64

約数和(自身を含む): 3177727200

約数和(自身を除く): 1871356360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 46457, 92914, 185828, 232285, 371656, 464570, 882683, 929140, 1718909, 1765366, 1858280, 3437818, 3530732, 4413415, 6875636, 7061464, 8594545, 8826830, 13751272, 17189090, 17653660, 32659271, 34378180, 35307320, 65318542, 68756360, 130637084, 163296355, 261274168, 326592710, 653185420, 1306370840]

約数ペア:

[(1, 1306370840), (2, 653185420), (4, 326592710), (5, 261274168), (8, 163296355), (10, 130637084), (19, 68756360), (20, 65318542), (37, 35307320), (38, 34378180), (40, 32659271), (74, 17653660), (76, 17189090), (95, 13751272), (148, 8826830), (152, 8594545), (185, 7061464), (190, 6875636), (296, 4413415), (370, 3530732), (380, 3437818), (703, 1858280), (740, 1765366), (760, 1718909), (1406, 929140), (1480, 882683), (2812, 464570), (3515, 371656), (5624, 232285), (7030, 185828), (14060, 92914), (28120, 46457)]