71317080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 232830000

約数和(自身を除く): 161512920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 397, 499, 794, 998, 1191, 1497, 1588, 1985, 1996, 2382, 2495, 2994, 3176, 3573, 3970, 3992, 4491, 4764, 4990, 5955, 5988, 7146, 7485, 7940, 8982, 9528, 9980, 11910, 11976, 14292, 14970, 15880, 17865, 17964, 19960, 22455, 23820, 28584, 29940, 35730, 35928, 44910, 47640, 59880, 71460, 89820, 142920, 179640, 198103, 396206, 594309, 792412, 990515, 1188618, 1584824, 1782927, 1981030, 2377236, 2971545, 3565854, 3962060, 4754472, 5943090, 7131708, 7924120, 8914635, 11886180, 14263416, 17829270, 23772360, 35658540, 71317080]

約数ペア:

[(1, 71317080), (2, 35658540), (3, 23772360), (4, 17829270), (5, 14263416), (6, 11886180), (8, 8914635), (9, 7924120), (10, 7131708), (12, 5943090), (15, 4754472), (18, 3962060), (20, 3565854), (24, 2971545), (30, 2377236), (36, 1981030), (40, 1782927), (45, 1584824), (60, 1188618), (72, 990515), (90, 792412), (120, 594309), (180, 396206), (360, 198103), (397, 179640), (499, 142920), (794, 89820), (998, 71460), (1191, 59880), (1497, 47640), (1588, 44910), (1985, 35928), (1996, 35730), (2382, 29940), (2495, 28584), (2994, 23820), (3176, 22455), (3573, 19960), (3970, 17964), (3992, 17865), (4491, 15880), (4764, 14970), (4990, 14292), (5955, 11976), (5988, 11910), (7146, 9980), (7485, 9528), (7940, 8982)]