408047120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30181}}^1$

素因数の和:30220

約数の個数: 60

約数和(自身を含む): 1027334916

約数和(自身を除く): 619287796

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 30181, 60362, 120724, 150905, 241448, 301810, 392353, 482896, 603620, 784706, 1207240, 1569412, 1961765, 2414480, 3138824, 3923530, 5100589, 6277648, 7847060, 10201178, 15694120, 20402356, 25502945, 31388240, 40804712, 51005890, 81609424, 102011780, 204023560, 408047120]

約数ペア:

[(1, 408047120), (2, 204023560), (4, 102011780), (5, 81609424), (8, 51005890), (10, 40804712), (13, 31388240), (16, 25502945), (20, 20402356), (26, 15694120), (40, 10201178), (52, 7847060), (65, 6277648), (80, 5100589), (104, 3923530), (130, 3138824), (169, 2414480), (208, 1961765), (260, 1569412), (338, 1207240), (520, 784706), (676, 603620), (845, 482896), (1040, 392353), (1352, 301810), (1690, 241448), (2704, 150905), (3380, 120724), (6760, 60362), (13520, 30181)]