78122640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2176

約数の個数: 80

約数和(自身を含む): 243787968

約数和(自身を除く): 165665328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 1997, 2445, 2608, 3260, 3912, 3994, 4890, 5991, 6520, 7824, 7988, 9780, 9985, 11982, 13040, 15976, 19560, 19970, 23964, 29955, 31952, 39120, 39940, 47928, 59910, 79880, 95856, 119820, 159760, 239640, 325511, 479280, 651022, 976533, 1302044, 1627555, 1953066, 2604088, 3255110, 3906132, 4882665, 5208176, 6510220, 7812264, 9765330, 13020440, 15624528, 19530660, 26040880, 39061320, 78122640]

約数ペア:

[(1, 78122640), (2, 39061320), (3, 26040880), (4, 19530660), (5, 15624528), (6, 13020440), (8, 9765330), (10, 7812264), (12, 6510220), (15, 5208176), (16, 4882665), (20, 3906132), (24, 3255110), (30, 2604088), (40, 1953066), (48, 1627555), (60, 1302044), (80, 976533), (120, 651022), (163, 479280), (240, 325511), (326, 239640), (489, 159760), (652, 119820), (815, 95856), (978, 79880), (1304, 59910), (1630, 47928), (1956, 39940), (1997, 39120), (2445, 31952), (2608, 29955), (3260, 23964), (3912, 19970), (3994, 19560), (4890, 15976), (5991, 13040), (6520, 11982), (7824, 9985), (7988, 9780)]