256985389980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1642919}}^1$

素因数の和:1643024

約数の個数: 144

約数和(自身を含む): 861152947200

約数和(自身を除く): 604167557220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 132, 158, 165, 180, 198, 220, 237, 316, 330, 395, 396, 474, 495, 660, 711, 790, 869, 948, 990, 1185, 1422, 1580, 1738, 1980, 2370, 2607, 2844, 3476, 3555, 4345, 4740, 5214, 7110, 7821, 8690, 10428, 13035, 14220, 15642, 17380, 26070, 31284, 39105, 52140, 78210, 156420, 1642919, 3285838, 4928757, 6571676, 8214595, 9857514, 14786271, 16429190, 18072109, 19715028, 24643785, 29572542, 32858380, 36144218, 49287570, 54216327, 59145084, 72288436, 73931355, 90360545, 98575140, 108432654, 129790601, 147862710, 162648981, 180721090, 216865308, 259581202, 271081635, 295725420, 325297962, 361442180, 389371803, 519162404, 542163270, 648953005, 650595924, 778743606, 813244905, 1084326540, 1168115409, 1297906010, 1427696611, 1557487212, 1626489810, 1946859015, 2336230818, 2595812020, 2855393222, 3252979620, 3893718030, 4283089833, 4672461636, 5710786444, 5840577045, 7138483055, 7787436060, 8566179666, 11681154090, 12849269499, 14276966110, 17132359332, 21415449165, 23362308180, 25698538998, 28553932220, 42830898330, 51397077996, 64246347495, 85661796660, 128492694990, 256985389980]

約数ペア:

[(1, 256985389980), (2, 128492694990), (3, 85661796660), (4, 64246347495), (5, 51397077996), (6, 42830898330), (9, 28553932220), (10, 25698538998), (11, 23362308180), (12, 21415449165), (15, 17132359332), (18, 14276966110), (20, 12849269499), (22, 11681154090), (30, 8566179666), (33, 7787436060), (36, 7138483055), (44, 5840577045), (45, 5710786444), (55, 4672461636), (60, 4283089833), (66, 3893718030), (79, 3252979620), (90, 2855393222), (99, 2595812020), (110, 2336230818), (132, 1946859015), (158, 1626489810), (165, 1557487212), (180, 1427696611), (198, 1297906010), (220, 1168115409), (237, 1084326540), (316, 813244905), (330, 778743606), (395, 650595924), (396, 648953005), (474, 542163270), (495, 519162404), (660, 389371803), (711, 361442180), (790, 325297962), (869, 295725420), (948, 271081635), (990, 259581202), (1185, 216865308), (1422, 180721090), (1580, 162648981), (1738, 147862710), (1980, 129790601), (2370, 108432654), (2607, 98575140), (2844, 90360545), (3476, 73931355), (3555, 72288436), (4345, 59145084), (4740, 54216327), (5214, 49287570), (7110, 36144218), (7821, 32858380), (8690, 29572542), (10428, 24643785), (13035, 19715028), (14220, 18072109), (15642, 16429190), (17380, 14786271), (26070, 9857514), (31284, 8214595), (39105, 6571676), (52140, 4928757), (78210, 3285838), (156420, 1642919)]