15486680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 38702880

約数和(自身を除く): 23216200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 577, 610, 671, 1154, 1220, 1342, 2308, 2440, 2684, 2885, 3355, 4616, 5368, 5770, 6347, 6710, 11540, 12694, 13420, 23080, 25388, 26840, 31735, 35197, 50776, 63470, 70394, 126940, 140788, 175985, 253880, 281576, 351970, 387167, 703940, 774334, 1407880, 1548668, 1935835, 3097336, 3871670, 7743340, 15486680]

約数ペア:

[(1, 15486680), (2, 7743340), (4, 3871670), (5, 3097336), (8, 1935835), (10, 1548668), (11, 1407880), (20, 774334), (22, 703940), (40, 387167), (44, 351970), (55, 281576), (61, 253880), (88, 175985), (110, 140788), (122, 126940), (220, 70394), (244, 63470), (305, 50776), (440, 35197), (488, 31735), (577, 26840), (610, 25388), (671, 23080), (1154, 13420), (1220, 12694), (1342, 11540), (2308, 6710), (2440, 6347), (2684, 5770), (2885, 5368), (3355, 4616)]