157721880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1523}}^1$

素因数の和:2400

約数の個数: 64

約数和(自身を含む): 474024960

約数和(自身を除く): 316303080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 863, 1523, 1726, 2589, 3046, 3452, 4315, 4569, 5178, 6092, 6904, 7615, 8630, 9138, 10356, 12184, 12945, 15230, 17260, 18276, 20712, 22845, 25890, 30460, 34520, 36552, 45690, 51780, 60920, 91380, 103560, 182760, 1314349, 2628698, 3943047, 5257396, 6571745, 7886094, 10514792, 13143490, 15772188, 19715235, 26286980, 31544376, 39430470, 52573960, 78860940, 157721880]

約数ペア:

[(1, 157721880), (2, 78860940), (3, 52573960), (4, 39430470), (5, 31544376), (6, 26286980), (8, 19715235), (10, 15772188), (12, 13143490), (15, 10514792), (20, 7886094), (24, 6571745), (30, 5257396), (40, 3943047), (60, 2628698), (120, 1314349), (863, 182760), (1523, 103560), (1726, 91380), (2589, 60920), (3046, 51780), (3452, 45690), (4315, 36552), (4569, 34520), (5178, 30460), (6092, 25890), (6904, 22845), (7615, 20712), (8630, 18276), (9138, 17260), (10356, 15230), (12184, 12945)]