1301224720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{1291}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 3108676032

約数和(自身を除く): 1807451312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 293, 344, 430, 586, 688, 860, 1172, 1291, 1465, 1720, 2344, 2582, 2930, 3440, 4688, 5164, 5860, 6455, 10328, 11720, 12599, 12910, 20656, 23440, 25198, 25820, 50396, 51640, 55513, 62995, 100792, 103280, 111026, 125990, 201584, 222052, 251980, 277565, 378263, 444104, 503960, 555130, 756526, 888208, 1007920, 1110260, 1513052, 1891315, 2220520, 3026104, 3782630, 4441040, 6052208, 7565260, 15130520, 16265309, 30261040, 32530618, 65061236, 81326545, 130122472, 162653090, 260244944, 325306180, 650612360, 1301224720]

約数ペア:

[(1, 1301224720), (2, 650612360), (4, 325306180), (5, 260244944), (8, 162653090), (10, 130122472), (16, 81326545), (20, 65061236), (40, 32530618), (43, 30261040), (80, 16265309), (86, 15130520), (172, 7565260), (215, 6052208), (293, 4441040), (344, 3782630), (430, 3026104), (586, 2220520), (688, 1891315), (860, 1513052), (1172, 1110260), (1291, 1007920), (1465, 888208), (1720, 756526), (2344, 555130), (2582, 503960), (2930, 444104), (3440, 378263), (4688, 277565), (5164, 251980), (5860, 222052), (6455, 201584), (10328, 125990), (11720, 111026), (12599, 103280), (12910, 100792), (20656, 62995), (23440, 55513), (25198, 51640), (25820, 50396)]