315086120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8821}}^1$

素因数の和:8898

約数の個数: 64

約数和(自身を含む): 762220800

約数和(自身を除く): 447134680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8821, 8930, 17642, 17860, 35284, 35720, 44105, 70568, 88210, 167599, 176420, 335198, 352840, 414587, 670396, 829174, 837995, 1340792, 1658348, 1675990, 2072935, 3316696, 3351980, 4145870, 6703960, 7877153, 8291740, 15754306, 16583480, 31508612, 39385765, 63017224, 78771530, 157543060, 315086120]

約数ペア:

[(1, 315086120), (2, 157543060), (4, 78771530), (5, 63017224), (8, 39385765), (10, 31508612), (19, 16583480), (20, 15754306), (38, 8291740), (40, 7877153), (47, 6703960), (76, 4145870), (94, 3351980), (95, 3316696), (152, 2072935), (188, 1675990), (190, 1658348), (235, 1340792), (376, 837995), (380, 829174), (470, 670396), (760, 414587), (893, 352840), (940, 335198), (1786, 176420), (1880, 167599), (3572, 88210), (4465, 70568), (7144, 44105), (8821, 35720), (8930, 35284), (17642, 17860)]