179977860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1447}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 547100736

約数和(自身を除く): 367122876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 691, 1382, 1447, 2073, 2764, 2894, 3455, 4146, 4341, 5788, 6219, 6910, 7235, 8292, 8682, 10365, 12438, 13023, 13820, 14470, 17364, 20730, 21705, 24876, 26046, 28940, 31095, 41460, 43410, 52092, 62190, 65115, 86820, 124380, 130230, 260460, 999877, 1999754, 2999631, 3999508, 4999385, 5999262, 8998893, 9998770, 11998524, 14998155, 17997786, 19997540, 29996310, 35995572, 44994465, 59992620, 89988930, 179977860]

約数ペア:

[(1, 179977860), (2, 89988930), (3, 59992620), (4, 44994465), (5, 35995572), (6, 29996310), (9, 19997540), (10, 17997786), (12, 14998155), (15, 11998524), (18, 9998770), (20, 8998893), (30, 5999262), (36, 4999385), (45, 3999508), (60, 2999631), (90, 1999754), (180, 999877), (691, 260460), (1382, 130230), (1447, 124380), (2073, 86820), (2764, 65115), (2894, 62190), (3455, 52092), (4146, 43410), (4341, 41460), (5788, 31095), (6219, 28940), (6910, 26046), (7235, 24876), (8292, 21705), (8682, 20730), (10365, 17364), (12438, 14470), (13023, 13820)]