291213540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12739}}^1$

素因数の和:12881

約数の個数: 72

約数和(自身を含む): 890373120

約数和(自身を除く): 599159580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 12739, 22860, 25478, 38217, 50956, 63695, 76434, 114651, 127390, 152868, 191085, 229302, 254780, 382170, 458604, 573255, 764340, 1146510, 1617853, 2293020, 3235706, 4853559, 6471412, 8089265, 9707118, 14560677, 16178530, 19414236, 24267795, 29121354, 32357060, 48535590, 58242708, 72803385, 97071180, 145606770, 291213540]

約数ペア:

[(1, 291213540), (2, 145606770), (3, 97071180), (4, 72803385), (5, 58242708), (6, 48535590), (9, 32357060), (10, 29121354), (12, 24267795), (15, 19414236), (18, 16178530), (20, 14560677), (30, 9707118), (36, 8089265), (45, 6471412), (60, 4853559), (90, 3235706), (127, 2293020), (180, 1617853), (254, 1146510), (381, 764340), (508, 573255), (635, 458604), (762, 382170), (1143, 254780), (1270, 229302), (1524, 191085), (1905, 152868), (2286, 127390), (2540, 114651), (3810, 76434), (4572, 63695), (5715, 50956), (7620, 38217), (11430, 25478), (12739, 22860)]