158128640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3293

約数の個数: 80

約数和(自身を含む): 399215520

約数和(自身を除く): 241086880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 3251, 4864, 6080, 6502, 9728, 12160, 13004, 16255, 24320, 26008, 32510, 48640, 52016, 61769, 65020, 104032, 123538, 130040, 208064, 247076, 260080, 308845, 416128, 494152, 520160, 617690, 832256, 988304, 1040320, 1235380, 1664512, 1976608, 2080640, 2470760, 3953216, 4161280, 4941520, 7906432, 8322560, 9883040, 15812864, 19766080, 31625728, 39532160, 79064320, 158128640]

約数ペア:

[(1, 158128640), (2, 79064320), (4, 39532160), (5, 31625728), (8, 19766080), (10, 15812864), (16, 9883040), (19, 8322560), (20, 7906432), (32, 4941520), (38, 4161280), (40, 3953216), (64, 2470760), (76, 2080640), (80, 1976608), (95, 1664512), (128, 1235380), (152, 1040320), (160, 988304), (190, 832256), (256, 617690), (304, 520160), (320, 494152), (380, 416128), (512, 308845), (608, 260080), (640, 247076), (760, 208064), (1216, 130040), (1280, 123538), (1520, 104032), (2432, 65020), (2560, 61769), (3040, 52016), (3251, 48640), (4864, 32510), (6080, 26008), (6502, 24320), (9728, 16255), (12160, 13004)]