39780240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2096

約数の個数: 80

約数和(自身を含む): 124867008

約数和(自身を除く): 85086768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 1997, 2490, 3320, 3984, 3994, 4980, 5991, 6640, 7988, 9960, 9985, 11982, 15976, 19920, 19970, 23964, 29955, 31952, 39940, 47928, 59910, 79880, 95856, 119820, 159760, 165751, 239640, 331502, 479280, 497253, 663004, 828755, 994506, 1326008, 1657510, 1989012, 2486265, 2652016, 3315020, 3978024, 4972530, 6630040, 7956048, 9945060, 13260080, 19890120, 39780240]

約数ペア:

[(1, 39780240), (2, 19890120), (3, 13260080), (4, 9945060), (5, 7956048), (6, 6630040), (8, 4972530), (10, 3978024), (12, 3315020), (15, 2652016), (16, 2486265), (20, 1989012), (24, 1657510), (30, 1326008), (40, 994506), (48, 828755), (60, 663004), (80, 497253), (83, 479280), (120, 331502), (166, 239640), (240, 165751), (249, 159760), (332, 119820), (415, 95856), (498, 79880), (664, 59910), (830, 47928), (996, 39940), (1245, 31952), (1328, 29955), (1660, 23964), (1992, 19970), (1997, 19920), (2490, 15976), (3320, 11982), (3984, 9985), (3994, 9960), (4980, 7988), (5991, 6640)]