399308160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{207973}}^1$

素因数の和:207995

約数の個数: 64

約数和(自身を含む): 1272800880

約数和(自身を除く): 873492720

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, 207973, 415946, 623919, 831892, 1039865, 1247838, 1663784, 2079730, 2495676, 3119595, 3327568, 4159460, 4991352, 6239190, 6655136, 8318920, 9982704, 12478380, 13310272, 16637840, 19965408, 24956760, 26620544, 33275680, 39930816, 49913520, 66551360, 79861632, 99827040, 133102720, 199654080, 399308160]

約数ペア:

[(1, 399308160), (2, 199654080), (3, 133102720), (4, 99827040), (5, 79861632), (6, 66551360), (8, 49913520), (10, 39930816), (12, 33275680), (15, 26620544), (16, 24956760), (20, 19965408), (24, 16637840), (30, 13310272), (32, 12478380), (40, 9982704), (48, 8318920), (60, 6655136), (64, 6239190), (80, 4991352), (96, 4159460), (120, 3327568), (128, 3119595), (160, 2495676), (192, 2079730), (240, 1663784), (320, 1247838), (384, 1039865), (480, 831892), (640, 623919), (960, 415946), (1920, 207973)]