71719960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 175543200

約数和(自身を除く): 103823240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1289, 1391, 2140, 2578, 2782, 4280, 5156, 5564, 6445, 6955, 10312, 11128, 12890, 13910, 16757, 25780, 27820, 33514, 51560, 55640, 67028, 83785, 134056, 137923, 167570, 275846, 335140, 551692, 670280, 689615, 1103384, 1379230, 1792999, 2758460, 3585998, 5516920, 7171996, 8964995, 14343992, 17929990, 35859980, 71719960]

約数ペア:

[(1, 71719960), (2, 35859980), (4, 17929990), (5, 14343992), (8, 8964995), (10, 7171996), (13, 5516920), (20, 3585998), (26, 2758460), (40, 1792999), (52, 1379230), (65, 1103384), (104, 689615), (107, 670280), (130, 551692), (214, 335140), (260, 275846), (428, 167570), (520, 137923), (535, 134056), (856, 83785), (1070, 67028), (1289, 55640), (1391, 51560), (2140, 33514), (2578, 27820), (2782, 25780), (4280, 16757), (5156, 13910), (5564, 12890), (6445, 11128), (6955, 10312)]