40491480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1283}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 122031360

約数和(自身を除く): 81539880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1283, 1315, 1578, 2104, 2566, 2630, 3156, 3849, 3945, 5132, 5260, 6312, 6415, 7698, 7890, 10264, 10520, 12830, 15396, 15780, 19245, 25660, 30792, 31560, 38490, 51320, 76980, 153960, 337429, 674858, 1012287, 1349716, 1687145, 2024574, 2699432, 3374290, 4049148, 5061435, 6748580, 8098296, 10122870, 13497160, 20245740, 40491480]

約数ペア:

[(1, 40491480), (2, 20245740), (3, 13497160), (4, 10122870), (5, 8098296), (6, 6748580), (8, 5061435), (10, 4049148), (12, 3374290), (15, 2699432), (20, 2024574), (24, 1687145), (30, 1349716), (40, 1012287), (60, 674858), (120, 337429), (263, 153960), (526, 76980), (789, 51320), (1052, 38490), (1283, 31560), (1315, 30792), (1578, 25660), (2104, 19245), (2566, 15780), (2630, 15396), (3156, 12830), (3849, 10520), (3945, 10264), (5132, 7890), (5260, 7698), (6312, 6415)]