1617841640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{68669}}^1$

素因数の和:68730

約数の個数: 64

約数和(自身を含む): 3955392000

約数和(自身を除く): 2337550360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 68669, 137338, 274676, 343345, 549352, 686690, 1304711, 1373380, 2128739, 2609422, 2746760, 4257478, 5218844, 6523555, 8514956, 10437688, 10643695, 13047110, 17029912, 21287390, 26094220, 40446041, 42574780, 52188440, 80892082, 85149560, 161784164, 202230205, 323568328, 404460410, 808920820, 1617841640]

約数ペア:

[(1, 1617841640), (2, 808920820), (4, 404460410), (5, 323568328), (8, 202230205), (10, 161784164), (19, 85149560), (20, 80892082), (31, 52188440), (38, 42574780), (40, 40446041), (62, 26094220), (76, 21287390), (95, 17029912), (124, 13047110), (152, 10643695), (155, 10437688), (190, 8514956), (248, 6523555), (310, 5218844), (380, 4257478), (589, 2746760), (620, 2609422), (760, 2128739), (1178, 1373380), (1240, 1304711), (2356, 686690), (2945, 549352), (4712, 343345), (5890, 274676), (11780, 137338), (23560, 68669)]