18458640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 120

約数和(自身を含む): 64067328

約数和(自身を除く): 45608688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 827, 930, 1116, 1240, 1395, 1488, 1654, 1860, 2232, 2480, 2481, 2790, 3308, 3720, 4135, 4464, 4962, 5580, 6616, 7440, 7443, 8270, 9924, 11160, 12405, 13232, 14886, 16540, 19848, 22320, 24810, 25637, 29772, 33080, 37215, 39696, 49620, 51274, 59544, 66160, 74430, 76911, 99240, 102548, 119088, 128185, 148860, 153822, 198480, 205096, 230733, 256370, 297720, 307644, 384555, 410192, 461466, 512740, 595440, 615288, 769110, 922932, 1025480, 1153665, 1230576, 1538220, 1845864, 2050960, 2307330, 3076440, 3691728, 4614660, 6152880, 9229320, 18458640]

約数ペア:

[(1, 18458640), (2, 9229320), (3, 6152880), (4, 4614660), (5, 3691728), (6, 3076440), (8, 2307330), (9, 2050960), (10, 1845864), (12, 1538220), (15, 1230576), (16, 1153665), (18, 1025480), (20, 922932), (24, 769110), (30, 615288), (31, 595440), (36, 512740), (40, 461466), (45, 410192), (48, 384555), (60, 307644), (62, 297720), (72, 256370), (80, 230733), (90, 205096), (93, 198480), (120, 153822), (124, 148860), (144, 128185), (155, 119088), (180, 102548), (186, 99240), (240, 76911), (248, 74430), (279, 66160), (310, 59544), (360, 51274), (372, 49620), (465, 39696), (496, 37215), (558, 33080), (620, 29772), (720, 25637), (744, 24810), (827, 22320), (930, 19848), (1116, 16540), (1240, 14886), (1395, 13232), (1488, 12405), (1654, 11160), (1860, 9924), (2232, 8270), (2480, 7443), (2481, 7440), (2790, 6616), (3308, 5580), (3720, 4962), (4135, 4464)]