8221560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 24900480

約数和(自身を除く): 16678920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 523, 524, 655, 786, 1046, 1048, 1310, 1569, 1572, 1965, 2092, 2615, 2620, 3138, 3144, 3930, 4184, 5230, 5240, 6276, 7845, 7860, 10460, 12552, 15690, 15720, 20920, 31380, 62760, 68513, 137026, 205539, 274052, 342565, 411078, 548104, 685130, 822156, 1027695, 1370260, 1644312, 2055390, 2740520, 4110780, 8221560]

約数ペア:

[(1, 8221560), (2, 4110780), (3, 2740520), (4, 2055390), (5, 1644312), (6, 1370260), (8, 1027695), (10, 822156), (12, 685130), (15, 548104), (20, 411078), (24, 342565), (30, 274052), (40, 205539), (60, 137026), (120, 68513), (131, 62760), (262, 31380), (393, 20920), (523, 15720), (524, 15690), (655, 12552), (786, 10460), (1046, 7860), (1048, 7845), (1310, 6276), (1569, 5240), (1572, 5230), (1965, 4184), (2092, 3930), (2615, 3144), (2620, 3138)]