68879280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2758

約数の個数: 80

約数和(自身を含む): 215566560

約数和(自身を除く): 146687280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 2633, 3270, 4360, 5232, 5266, 6540, 7899, 8720, 10532, 13080, 13165, 15798, 21064, 26160, 26330, 31596, 39495, 42128, 52660, 63192, 78990, 105320, 126384, 157980, 210640, 286997, 315960, 573994, 631920, 860991, 1147988, 1434985, 1721982, 2295976, 2869970, 3443964, 4304955, 4591952, 5739940, 6887928, 8609910, 11479880, 13775856, 17219820, 22959760, 34439640, 68879280]

約数ペア:

[(1, 68879280), (2, 34439640), (3, 22959760), (4, 17219820), (5, 13775856), (6, 11479880), (8, 8609910), (10, 6887928), (12, 5739940), (15, 4591952), (16, 4304955), (20, 3443964), (24, 2869970), (30, 2295976), (40, 1721982), (48, 1434985), (60, 1147988), (80, 860991), (109, 631920), (120, 573994), (218, 315960), (240, 286997), (327, 210640), (436, 157980), (545, 126384), (654, 105320), (872, 78990), (1090, 63192), (1308, 52660), (1635, 42128), (1744, 39495), (2180, 31596), (2616, 26330), (2633, 26160), (3270, 21064), (4360, 15798), (5232, 13165), (5266, 13080), (6540, 10532), (7899, 8720)]