208549680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868957}}^1$

素因数の和:868973

約数の個数: 40

約数和(自身を含む): 646504752

約数和(自身を除く): 437955072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868957, 1737914, 2606871, 3475828, 4344785, 5213742, 6951656, 8689570, 10427484, 13034355, 13903312, 17379140, 20854968, 26068710, 34758280, 41709936, 52137420, 69516560, 104274840, 208549680]

約数ペア:

[(1, 208549680), (2, 104274840), (3, 69516560), (4, 52137420), (5, 41709936), (6, 34758280), (8, 26068710), (10, 20854968), (12, 17379140), (15, 13903312), (16, 13034355), (20, 10427484), (24, 8689570), (30, 6951656), (40, 5213742), (48, 4344785), (60, 3475828), (80, 2606871), (120, 1737914), (240, 868957)]