156936320

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 376747200

約数和(自身を除く): 219810880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 640, 647, 758, 1294, 1516, 1895, 2588, 3032, 3235, 3790, 5176, 6064, 6470, 7580, 10352, 12128, 12940, 15160, 20704, 24256, 25880, 30320, 41408, 48512, 51760, 60640, 82816, 103520, 121280, 207040, 242560, 245213, 414080, 490426, 980852, 1226065, 1961704, 2452130, 3923408, 4904260, 7846816, 9808520, 15693632, 19617040, 31387264, 39234080, 78468160, 156936320]

約数ペア:

[(1, 156936320), (2, 78468160), (4, 39234080), (5, 31387264), (8, 19617040), (10, 15693632), (16, 9808520), (20, 7846816), (32, 4904260), (40, 3923408), (64, 2452130), (80, 1961704), (128, 1226065), (160, 980852), (320, 490426), (379, 414080), (640, 245213), (647, 242560), (758, 207040), (1294, 121280), (1516, 103520), (1895, 82816), (2588, 60640), (3032, 51760), (3235, 48512), (3790, 41408), (5176, 30320), (6064, 25880), (6470, 24256), (7580, 20704), (10352, 15160), (12128, 12940)]