144620120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 335996640

約数和(自身を除く): 191376520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 541, 652, 815, 820, 1082, 1304, 1630, 1640, 2164, 2705, 3260, 4328, 5410, 6520, 6683, 10820, 13366, 21640, 22181, 26732, 33415, 44362, 53464, 66830, 88183, 88724, 110905, 133660, 176366, 177448, 221810, 267320, 352732, 440915, 443620, 705464, 881830, 887240, 1763660, 3527320, 3615503, 7231006, 14462012, 18077515, 28924024, 36155030, 72310060, 144620120]

約数ペア:

[(1, 144620120), (2, 72310060), (4, 36155030), (5, 28924024), (8, 18077515), (10, 14462012), (20, 7231006), (40, 3615503), (41, 3527320), (82, 1763660), (163, 887240), (164, 881830), (205, 705464), (326, 443620), (328, 440915), (410, 352732), (541, 267320), (652, 221810), (815, 177448), (820, 176366), (1082, 133660), (1304, 110905), (1630, 88724), (1640, 88183), (2164, 66830), (2705, 53464), (3260, 44362), (4328, 33415), (5410, 26732), (6520, 22181), (6683, 21640), (10820, 13366)]