18379320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1487}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 37331400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1487, 1545, 2060, 2472, 2974, 3090, 4120, 4461, 5948, 6180, 7435, 8922, 11896, 12360, 14870, 17844, 22305, 29740, 35688, 44610, 59480, 89220, 153161, 178440, 306322, 459483, 612644, 765805, 918966, 1225288, 1531610, 1837932, 2297415, 3063220, 3675864, 4594830, 6126440, 9189660, 18379320]

約数ペア:

[(1, 18379320), (2, 9189660), (3, 6126440), (4, 4594830), (5, 3675864), (6, 3063220), (8, 2297415), (10, 1837932), (12, 1531610), (15, 1225288), (20, 918966), (24, 765805), (30, 612644), (40, 459483), (60, 306322), (103, 178440), (120, 153161), (206, 89220), (309, 59480), (412, 44610), (515, 35688), (618, 29740), (824, 22305), (1030, 17844), (1236, 14870), (1487, 12360), (1545, 11896), (2060, 8922), (2472, 7435), (2974, 6180), (3090, 5948), (4120, 4461)]