81658440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2207

約数の個数: 96

約数和(自身を含む): 267953400

約数和(自身を除く): 186294960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 2081, 2180, 2616, 3270, 3924, 4162, 4360, 4905, 6243, 6540, 7848, 8324, 9810, 10405, 12486, 13080, 16648, 18729, 19620, 20810, 24972, 31215, 37458, 39240, 41620, 49944, 62430, 74916, 83240, 93645, 124860, 149832, 187290, 226829, 249720, 374580, 453658, 680487, 749160, 907316, 1134145, 1360974, 1814632, 2041461, 2268290, 2721948, 3402435, 4082922, 4536580, 5443896, 6804870, 8165844, 9073160, 10207305, 13609740, 16331688, 20414610, 27219480, 40829220, 81658440]

約数ペア:

[(1, 81658440), (2, 40829220), (3, 27219480), (4, 20414610), (5, 16331688), (6, 13609740), (8, 10207305), (9, 9073160), (10, 8165844), (12, 6804870), (15, 5443896), (18, 4536580), (20, 4082922), (24, 3402435), (30, 2721948), (36, 2268290), (40, 2041461), (45, 1814632), (60, 1360974), (72, 1134145), (90, 907316), (109, 749160), (120, 680487), (180, 453658), (218, 374580), (327, 249720), (360, 226829), (436, 187290), (545, 149832), (654, 124860), (872, 93645), (981, 83240), (1090, 74916), (1308, 62430), (1635, 49944), (1962, 41620), (2081, 39240), (2180, 37458), (2616, 31215), (3270, 24972), (3924, 20810), (4162, 19620), (4360, 18729), (4905, 16648), (6243, 13080), (6540, 12486), (7848, 10405), (8324, 9810)]