287008020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122653}}^1$

素因数の和:122681

約数の個数: 72

約数和(自身を含む): 937567176

約数和(自身を除く): 650559156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 122653, 245306, 367959, 490612, 613265, 735918, 1103877, 1226530, 1471836, 1594489, 1839795, 2207754, 2453060, 3188978, 3679590, 4415508, 4783467, 5519385, 6377956, 7359180, 7972445, 9566934, 11038770, 14350401, 15944890, 19133868, 22077540, 23917335, 28700802, 31889780, 47834670, 57401604, 71752005, 95669340, 143504010, 287008020]

約数ペア:

[(1, 287008020), (2, 143504010), (3, 95669340), (4, 71752005), (5, 57401604), (6, 47834670), (9, 31889780), (10, 28700802), (12, 23917335), (13, 22077540), (15, 19133868), (18, 15944890), (20, 14350401), (26, 11038770), (30, 9566934), (36, 7972445), (39, 7359180), (45, 6377956), (52, 5519385), (60, 4783467), (65, 4415508), (78, 3679590), (90, 3188978), (117, 2453060), (130, 2207754), (156, 1839795), (180, 1594489), (195, 1471836), (234, 1226530), (260, 1103877), (390, 735918), (468, 613265), (585, 490612), (780, 367959), (1170, 245306), (2340, 122653)]