15671706520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{39869}}^1$

素因数の和:40228

約数の個数: 64

約数和(自身を含む): 36514540800

約数和(自身を除く): 20842834280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 317, 620, 634, 1240, 1268, 1585, 2536, 3170, 6340, 9827, 12680, 19654, 39308, 39869, 49135, 78616, 79738, 98270, 159476, 196540, 199345, 318952, 393080, 398690, 797380, 1235939, 1594760, 2471878, 4943756, 6179695, 9887512, 12359390, 12638473, 24718780, 25276946, 49437560, 50553892, 63192365, 101107784, 126384730, 252769460, 391792663, 505538920, 783585326, 1567170652, 1958963315, 3134341304, 3917926630, 7835853260, 15671706520]

約数ペア:

[(1, 15671706520), (2, 7835853260), (4, 3917926630), (5, 3134341304), (8, 1958963315), (10, 1567170652), (20, 783585326), (31, 505538920), (40, 391792663), (62, 252769460), (124, 126384730), (155, 101107784), (248, 63192365), (310, 50553892), (317, 49437560), (620, 25276946), (634, 24718780), (1240, 12638473), (1268, 12359390), (1585, 9887512), (2536, 6179695), (3170, 4943756), (6340, 2471878), (9827, 1594760), (12680, 1235939), (19654, 797380), (39308, 398690), (39869, 393080), (49135, 318952), (78616, 199345), (79738, 196540), (98270, 159476)]