256082940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45893}}^1$

素因数の和:45939

約数の個数: 72

約数和(自身を含む): 801859968

約数和(自身を除く): 545777028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 45893, 91786, 137679, 183572, 229465, 275358, 413037, 458930, 550716, 688395, 826074, 917860, 1376790, 1422683, 1652148, 2065185, 2753580, 2845366, 4130370, 4268049, 5690732, 7113415, 8260740, 8536098, 12804147, 14226830, 17072196, 21340245, 25608294, 28453660, 42680490, 51216588, 64020735, 85360980, 128041470, 256082940]

約数ペア:

[(1, 256082940), (2, 128041470), (3, 85360980), (4, 64020735), (5, 51216588), (6, 42680490), (9, 28453660), (10, 25608294), (12, 21340245), (15, 17072196), (18, 14226830), (20, 12804147), (30, 8536098), (31, 8260740), (36, 7113415), (45, 5690732), (60, 4268049), (62, 4130370), (90, 2845366), (93, 2753580), (124, 2065185), (155, 1652148), (180, 1422683), (186, 1376790), (279, 917860), (310, 826074), (372, 688395), (465, 550716), (558, 458930), (620, 413037), (930, 275358), (1116, 229465), (1395, 183572), (1860, 137679), (2790, 91786), (5580, 45893)]