2156360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 5253120

約数和(自身を除く): 3096760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 47, 62, 74, 94, 124, 148, 155, 185, 188, 235, 248, 296, 310, 370, 376, 470, 620, 740, 940, 1147, 1240, 1457, 1480, 1739, 1880, 2294, 2914, 3478, 4588, 5735, 5828, 6956, 7285, 8695, 9176, 11470, 11656, 13912, 14570, 17390, 22940, 29140, 34780, 45880, 53909, 58280, 69560, 107818, 215636, 269545, 431272, 539090, 1078180, 2156360]

約数ペア:

[(1, 2156360), (2, 1078180), (4, 539090), (5, 431272), (8, 269545), (10, 215636), (20, 107818), (31, 69560), (37, 58280), (40, 53909), (47, 45880), (62, 34780), (74, 29140), (94, 22940), (124, 17390), (148, 14570), (155, 13912), (185, 11656), (188, 11470), (235, 9176), (248, 8695), (296, 7285), (310, 6956), (370, 5828), (376, 5735), (470, 4588), (620, 3478), (740, 2914), (940, 2294), (1147, 1880), (1240, 1739), (1457, 1480)]