28154940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1523

約数の個数: 96

約数和(自身を含む): 89026560

約数和(自身を除く): 60871620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1471, 1595, 1740, 1914, 2942, 3190, 3828, 4413, 4785, 5884, 6380, 7355, 8826, 9570, 14710, 16181, 17652, 19140, 22065, 29420, 32362, 42659, 44130, 48543, 64724, 80905, 85318, 88260, 97086, 127977, 161810, 170636, 194172, 213295, 242715, 255954, 323620, 426590, 469249, 485430, 511908, 639885, 853180, 938498, 970860, 1279770, 1407747, 1876996, 2346245, 2559540, 2815494, 4692490, 5630988, 7038735, 9384980, 14077470, 28154940]

約数ペア:

[(1, 28154940), (2, 14077470), (3, 9384980), (4, 7038735), (5, 5630988), (6, 4692490), (10, 2815494), (11, 2559540), (12, 2346245), (15, 1876996), (20, 1407747), (22, 1279770), (29, 970860), (30, 938498), (33, 853180), (44, 639885), (55, 511908), (58, 485430), (60, 469249), (66, 426590), (87, 323620), (110, 255954), (116, 242715), (132, 213295), (145, 194172), (165, 170636), (174, 161810), (220, 127977), (290, 97086), (319, 88260), (330, 85318), (348, 80905), (435, 64724), (580, 48543), (638, 44130), (660, 42659), (870, 32362), (957, 29420), (1276, 22065), (1471, 19140), (1595, 17652), (1740, 16181), (1914, 14710), (2942, 9570), (3190, 8826), (3828, 7355), (4413, 6380), (4785, 5884)]