400140960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2143}}^1$

素因数の和:2550

約数の個数: 96

約数和(自身を含む): 1264273920

約数和(自身を除く): 864132960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 389, 480, 778, 1167, 1556, 1945, 2143, 2334, 3112, 3890, 4286, 4668, 5835, 6224, 6429, 7780, 8572, 9336, 10715, 11670, 12448, 12858, 15560, 17144, 18672, 21430, 23340, 25716, 31120, 32145, 34288, 37344, 42860, 46680, 51432, 62240, 64290, 68576, 85720, 93360, 102864, 128580, 171440, 186720, 205728, 257160, 342880, 514320, 833627, 1028640, 1667254, 2500881, 3334508, 4168135, 5001762, 6669016, 8336270, 10003524, 12504405, 13338032, 16672540, 20007048, 25008810, 26676064, 33345080, 40014096, 50017620, 66690160, 80028192, 100035240, 133380320, 200070480, 400140960]

約数ペア:

[(1, 400140960), (2, 200070480), (3, 133380320), (4, 100035240), (5, 80028192), (6, 66690160), (8, 50017620), (10, 40014096), (12, 33345080), (15, 26676064), (16, 25008810), (20, 20007048), (24, 16672540), (30, 13338032), (32, 12504405), (40, 10003524), (48, 8336270), (60, 6669016), (80, 5001762), (96, 4168135), (120, 3334508), (160, 2500881), (240, 1667254), (389, 1028640), (480, 833627), (778, 514320), (1167, 342880), (1556, 257160), (1945, 205728), (2143, 186720), (2334, 171440), (3112, 128580), (3890, 102864), (4286, 93360), (4668, 85720), (5835, 68576), (6224, 64290), (6429, 62240), (7780, 51432), (8572, 46680), (9336, 42860), (10715, 37344), (11670, 34288), (12448, 32145), (12858, 31120), (15560, 25716), (17144, 23340), (18672, 21430)]