78468160

素因数分解:

$2^6\times 5^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1043

約数の個数: 56

約数和(自身を含む): 187634880

約数和(自身を除く): 109166720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 647, 758, 1294, 1516, 1895, 2588, 3032, 3235, 3790, 5176, 6064, 6470, 7580, 10352, 12128, 12940, 15160, 20704, 24256, 25880, 30320, 41408, 51760, 60640, 103520, 121280, 207040, 245213, 490426, 980852, 1226065, 1961704, 2452130, 3923408, 4904260, 7846816, 9808520, 15693632, 19617040, 39234080, 78468160]

約数ペア:

[(1, 78468160), (2, 39234080), (4, 19617040), (5, 15693632), (8, 9808520), (10, 7846816), (16, 4904260), (20, 3923408), (32, 2452130), (40, 1961704), (64, 1226065), (80, 980852), (160, 490426), (320, 245213), (379, 207040), (647, 121280), (758, 103520), (1294, 60640), (1516, 51760), (1895, 41408), (2588, 30320), (3032, 25880), (3235, 24256), (3790, 20704), (5176, 15160), (6064, 12940), (6470, 12128), (7580, 10352)]