15480400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 90

約数和(自身を含む): 40448490

約数和(自身を除く): 24968090

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 229, 260, 325, 338, 400, 458, 520, 650, 676, 845, 916, 1040, 1145, 1300, 1352, 1690, 1832, 2290, 2600, 2704, 2977, 3380, 3664, 4225, 4580, 5200, 5725, 5954, 6760, 8450, 9160, 11450, 11908, 13520, 14885, 16900, 18320, 22900, 23816, 29770, 33800, 38701, 45800, 47632, 59540, 67600, 74425, 77402, 91600, 119080, 148850, 154804, 193505, 238160, 297700, 309608, 387010, 595400, 619216, 774020, 967525, 1190800, 1548040, 1935050, 3096080, 3870100, 7740200, 15480400]

約数ペア:

[(1, 15480400), (2, 7740200), (4, 3870100), (5, 3096080), (8, 1935050), (10, 1548040), (13, 1190800), (16, 967525), (20, 774020), (25, 619216), (26, 595400), (40, 387010), (50, 309608), (52, 297700), (65, 238160), (80, 193505), (100, 154804), (104, 148850), (130, 119080), (169, 91600), (200, 77402), (208, 74425), (229, 67600), (260, 59540), (325, 47632), (338, 45800), (400, 38701), (458, 33800), (520, 29770), (650, 23816), (676, 22900), (845, 18320), (916, 16900), (1040, 14885), (1145, 13520), (1300, 11908), (1352, 11450), (1690, 9160), (1832, 8450), (2290, 6760), (2600, 5954), (2704, 5725), (2977, 5200), (3380, 4580), (3664, 4225)]