72220460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 171551520

約数和(自身を除く): 99331060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 929, 1196, 1495, 1690, 1858, 2990, 3380, 3716, 3887, 4645, 5980, 7774, 9290, 12077, 15548, 18580, 19435, 21367, 24154, 38870, 42734, 48308, 60385, 77740, 85468, 106835, 120770, 157001, 213670, 241540, 277771, 314002, 427340, 555542, 628004, 785005, 1111084, 1388855, 1570010, 2777710, 3140020, 3611023, 5555420, 7222046, 14444092, 18055115, 36110230, 72220460]

約数ペア:

[(1, 72220460), (2, 36110230), (4, 18055115), (5, 14444092), (10, 7222046), (13, 5555420), (20, 3611023), (23, 3140020), (26, 2777710), (46, 1570010), (52, 1388855), (65, 1111084), (92, 785005), (115, 628004), (130, 555542), (169, 427340), (230, 314002), (260, 277771), (299, 241540), (338, 213670), (460, 157001), (598, 120770), (676, 106835), (845, 85468), (929, 77740), (1196, 60385), (1495, 48308), (1690, 42734), (1858, 38870), (2990, 24154), (3380, 21367), (3716, 19435), (3887, 18580), (4645, 15548), (5980, 12077), (7774, 9290)]