7786960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 19641600

約数和(自身を除く): 11854640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 109, 152, 188, 190, 218, 235, 304, 376, 380, 436, 470, 545, 752, 760, 872, 893, 940, 1090, 1520, 1744, 1786, 1880, 2071, 2180, 3572, 3760, 4142, 4360, 4465, 5123, 7144, 8284, 8720, 8930, 10246, 10355, 14288, 16568, 17860, 20492, 20710, 25615, 33136, 35720, 40984, 41420, 51230, 71440, 81968, 82840, 97337, 102460, 165680, 194674, 204920, 389348, 409840, 486685, 778696, 973370, 1557392, 1946740, 3893480, 7786960]

約数ペア:

[(1, 7786960), (2, 3893480), (4, 1946740), (5, 1557392), (8, 973370), (10, 778696), (16, 486685), (19, 409840), (20, 389348), (38, 204920), (40, 194674), (47, 165680), (76, 102460), (80, 97337), (94, 82840), (95, 81968), (109, 71440), (152, 51230), (188, 41420), (190, 40984), (218, 35720), (235, 33136), (304, 25615), (376, 20710), (380, 20492), (436, 17860), (470, 16568), (545, 14288), (752, 10355), (760, 10246), (872, 8930), (893, 8720), (940, 8284), (1090, 7144), (1520, 5123), (1744, 4465), (1786, 4360), (1880, 4142), (2071, 3760), (2180, 3572)]