78628560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327619}}^1$

素因数の和:327635

約数の個数: 40

約数和(自身を含む): 243749280

約数和(自身を除く): 165120720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327619, 655238, 982857, 1310476, 1638095, 1965714, 2620952, 3276190, 3931428, 4914285, 5241904, 6552380, 7862856, 9828570, 13104760, 15725712, 19657140, 26209520, 39314280, 78628560]

約数ペア:

[(1, 78628560), (2, 39314280), (3, 26209520), (4, 19657140), (5, 15725712), (6, 13104760), (8, 9828570), (10, 7862856), (12, 6552380), (15, 5241904), (16, 4914285), (20, 3931428), (24, 3276190), (30, 2620952), (40, 1965714), (48, 1638095), (60, 1310476), (80, 982857), (120, 655238), (240, 327619)]