180978372

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 474819072

約数和(自身を除く): 293840700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 257, 279, 372, 514, 558, 631, 771, 1028, 1116, 1262, 1542, 1893, 2313, 2524, 3084, 3786, 4626, 5679, 7572, 7967, 9252, 11358, 15934, 19561, 22716, 23901, 31868, 39122, 47802, 58683, 71703, 78244, 95604, 117366, 143406, 162167, 176049, 234732, 286812, 324334, 352098, 486501, 648668, 704196, 973002, 1459503, 1946004, 2919006, 5027177, 5838012, 10054354, 15081531, 20108708, 30163062, 45244593, 60326124, 90489186, 180978372]

約数ペア:

[(1, 180978372), (2, 90489186), (3, 60326124), (4, 45244593), (6, 30163062), (9, 20108708), (12, 15081531), (18, 10054354), (31, 5838012), (36, 5027177), (62, 2919006), (93, 1946004), (124, 1459503), (186, 973002), (257, 704196), (279, 648668), (372, 486501), (514, 352098), (558, 324334), (631, 286812), (771, 234732), (1028, 176049), (1116, 162167), (1262, 143406), (1542, 117366), (1893, 95604), (2313, 78244), (2524, 71703), (3084, 58683), (3786, 47802), (4626, 39122), (5679, 31868), (7572, 23901), (7967, 22716), (9252, 19561), (11358, 15934)]