217709880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7591}}^1$

素因数の和:7844

約数の個数: 64

約数和(自身を含む): 655948800

約数和(自身を除く): 438238920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 7591, 9560, 14340, 15182, 22773, 28680, 30364, 37955, 45546, 60728, 75910, 91092, 113865, 151820, 182184, 227730, 303640, 455460, 910920, 1814249, 3628498, 5442747, 7256996, 9071245, 10885494, 14513992, 18142490, 21770988, 27213735, 36284980, 43541976, 54427470, 72569960, 108854940, 217709880]

約数ペア:

[(1, 217709880), (2, 108854940), (3, 72569960), (4, 54427470), (5, 43541976), (6, 36284980), (8, 27213735), (10, 21770988), (12, 18142490), (15, 14513992), (20, 10885494), (24, 9071245), (30, 7256996), (40, 5442747), (60, 3628498), (120, 1814249), (239, 910920), (478, 455460), (717, 303640), (956, 227730), (1195, 182184), (1434, 151820), (1912, 113865), (2390, 91092), (2868, 75910), (3585, 60728), (4780, 45546), (5736, 37955), (7170, 30364), (7591, 28680), (9560, 22773), (14340, 15182)]