78004920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{92863}}^1$

素因数の和:92884

約数の個数: 64

約数和(自身を含む): 267448320

約数和(自身を除く): 189443400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 92863, 185726, 278589, 371452, 464315, 557178, 650041, 742904, 928630, 1114356, 1300082, 1392945, 1857260, 1950123, 2228712, 2600164, 2785890, 3250205, 3714520, 3900246, 5200328, 5571780, 6500410, 7800492, 9750615, 11143560, 13000820, 15600984, 19501230, 26001640, 39002460, 78004920]

約数ペア:

[(1, 78004920), (2, 39002460), (3, 26001640), (4, 19501230), (5, 15600984), (6, 13000820), (7, 11143560), (8, 9750615), (10, 7800492), (12, 6500410), (14, 5571780), (15, 5200328), (20, 3900246), (21, 3714520), (24, 3250205), (28, 2785890), (30, 2600164), (35, 2228712), (40, 1950123), (42, 1857260), (56, 1392945), (60, 1300082), (70, 1114356), (84, 928630), (105, 742904), (120, 650041), (140, 557178), (168, 464315), (210, 371452), (280, 278589), (420, 185726), (840, 92863)]