67120640

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 162927072

約数和(自身を除く): 95806432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 167, 256, 314, 320, 334, 512, 628, 640, 668, 785, 835, 1256, 1280, 1336, 1570, 1670, 2512, 2560, 2672, 3140, 3340, 5024, 5344, 6280, 6680, 10048, 10688, 12560, 13360, 20096, 21376, 25120, 26219, 26720, 40192, 42752, 50240, 52438, 53440, 80384, 85504, 100480, 104876, 106880, 131095, 200960, 209752, 213760, 262190, 401920, 419504, 427520, 524380, 839008, 1048760, 1678016, 2097520, 3356032, 4195040, 6712064, 8390080, 13424128, 16780160, 33560320, 67120640]

約数ペア:

[(1, 67120640), (2, 33560320), (4, 16780160), (5, 13424128), (8, 8390080), (10, 6712064), (16, 4195040), (20, 3356032), (32, 2097520), (40, 1678016), (64, 1048760), (80, 839008), (128, 524380), (157, 427520), (160, 419504), (167, 401920), (256, 262190), (314, 213760), (320, 209752), (334, 200960), (512, 131095), (628, 106880), (640, 104876), (668, 100480), (785, 85504), (835, 80384), (1256, 53440), (1280, 52438), (1336, 50240), (1570, 42752), (1670, 40192), (2512, 26720), (2560, 26219), (2672, 25120), (3140, 21376), (3340, 20096), (5024, 13360), (5344, 12560), (6280, 10688), (6680, 10048)]