628327680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{163627}}^1$

素因数の和:163651

約数の個数: 72

約数和(自身を含む): 2006733792

約数和(自身を除く): 1378406112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 163627, 327254, 490881, 654508, 818135, 981762, 1309016, 1636270, 1963524, 2454405, 2618032, 3272540, 3927048, 4908810, 5236064, 6545080, 7854096, 9817620, 10472128, 13090160, 15708192, 19635240, 20944256, 26180320, 31416384, 39270480, 41888512, 52360640, 62832768, 78540960, 104721280, 125665536, 157081920, 209442560, 314163840, 628327680]

約数ペア:

[(1, 628327680), (2, 314163840), (3, 209442560), (4, 157081920), (5, 125665536), (6, 104721280), (8, 78540960), (10, 62832768), (12, 52360640), (15, 41888512), (16, 39270480), (20, 31416384), (24, 26180320), (30, 20944256), (32, 19635240), (40, 15708192), (48, 13090160), (60, 10472128), (64, 9817620), (80, 7854096), (96, 6545080), (120, 5236064), (128, 4908810), (160, 3927048), (192, 3272540), (240, 2618032), (256, 2454405), (320, 1963524), (384, 1636270), (480, 1309016), (640, 981762), (768, 818135), (960, 654508), (1280, 490881), (1920, 327254), (3840, 163627)]