154902040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 366716160

約数和(自身を除く): 211814120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 2357, 3286, 4714, 6572, 8215, 9428, 11785, 13144, 16430, 18856, 23570, 32860, 47140, 65720, 73067, 94280, 124921, 146134, 249842, 292268, 365335, 499684, 584536, 624605, 730670, 999368, 1249210, 1461340, 2498420, 2922680, 3872551, 4996840, 7745102, 15490204, 19362755, 30980408, 38725510, 77451020, 154902040]

約数ペア:

[(1, 154902040), (2, 77451020), (4, 38725510), (5, 30980408), (8, 19362755), (10, 15490204), (20, 7745102), (31, 4996840), (40, 3872551), (53, 2922680), (62, 2498420), (106, 1461340), (124, 1249210), (155, 999368), (212, 730670), (248, 624605), (265, 584536), (310, 499684), (424, 365335), (530, 292268), (620, 249842), (1060, 146134), (1240, 124921), (1643, 94280), (2120, 73067), (2357, 65720), (3286, 47140), (4714, 32860), (6572, 23570), (8215, 18856), (9428, 16430), (11785, 13144)]