401262720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{208991}}^1$

素因数の和:209013

約数の個数: 64

約数和(自身を含む): 1279031040

約数和(自身を除く): 877768320

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, 320, 384, 480, 640, 960, 1920, 208991, 417982, 626973, 835964, 1044955, 1253946, 1671928, 2089910, 2507892, 3134865, 3343856, 4179820, 5015784, 6269730, 6687712, 8359640, 10031568, 12539460, 13375424, 16719280, 20063136, 25078920, 26750848, 33438560, 40126272, 50157840, 66877120, 80252544, 100315680, 133754240, 200631360, 401262720]

約数ペア:

[(1, 401262720), (2, 200631360), (3, 133754240), (4, 100315680), (5, 80252544), (6, 66877120), (8, 50157840), (10, 40126272), (12, 33438560), (15, 26750848), (16, 25078920), (20, 20063136), (24, 16719280), (30, 13375424), (32, 12539460), (40, 10031568), (48, 8359640), (60, 6687712), (64, 6269730), (80, 5015784), (96, 4179820), (120, 3343856), (128, 3134865), (160, 2507892), (192, 2089910), (240, 1671928), (320, 1253946), (384, 1044955), (480, 835964), (640, 626973), (960, 417982), (1920, 208991)]