161445720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9679}}^1$

素因数の和:9832

約数の個数: 64

約数和(自身を含む): 487872000

約数和(自身を除く): 326426280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 9679, 16680, 19358, 29037, 38716, 48395, 58074, 77432, 96790, 116148, 145185, 193580, 232296, 290370, 387160, 580740, 1161480, 1345381, 2690762, 4036143, 5381524, 6726905, 8072286, 10763048, 13453810, 16144572, 20180715, 26907620, 32289144, 40361430, 53815240, 80722860, 161445720]

約数ペア:

[(1, 161445720), (2, 80722860), (3, 53815240), (4, 40361430), (5, 32289144), (6, 26907620), (8, 20180715), (10, 16144572), (12, 13453810), (15, 10763048), (20, 8072286), (24, 6726905), (30, 5381524), (40, 4036143), (60, 2690762), (120, 1345381), (139, 1161480), (278, 580740), (417, 387160), (556, 290370), (695, 232296), (834, 193580), (1112, 145185), (1390, 116148), (1668, 96790), (2085, 77432), (2780, 58074), (3336, 48395), (4170, 38716), (5560, 29037), (8340, 19358), (9679, 16680)]