31475340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13451}}^1$

素因数の和:13479

約数の個数: 72

約数和(自身を含む): 102827088

約数和(自身を除く): 71351748

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, 13451, 26902, 40353, 53804, 67255, 80706, 121059, 134510, 161412, 174863, 201765, 242118, 269020, 349726, 403530, 484236, 524589, 605295, 699452, 807060, 874315, 1049178, 1210590, 1573767, 1748630, 2098356, 2421180, 2622945, 3147534, 3497260, 5245890, 6295068, 7868835, 10491780, 15737670, 31475340]

約数ペア:

[(1, 31475340), (2, 15737670), (3, 10491780), (4, 7868835), (5, 6295068), (6, 5245890), (9, 3497260), (10, 3147534), (12, 2622945), (13, 2421180), (15, 2098356), (18, 1748630), (20, 1573767), (26, 1210590), (30, 1049178), (36, 874315), (39, 807060), (45, 699452), (52, 605295), (60, 524589), (65, 484236), (78, 403530), (90, 349726), (117, 269020), (130, 242118), (156, 201765), (180, 174863), (195, 161412), (234, 134510), (260, 121059), (390, 80706), (468, 67255), (585, 53804), (780, 40353), (1170, 26902), (2340, 13451)]