206656740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2557}}^1$

素因数の和:3021

約数の個数: 72

約数和(自身を含む): 628500600

約数和(自身を除く): 421843860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2557, 2694, 4041, 4490, 5114, 5388, 6735, 7671, 8082, 8980, 10228, 12785, 13470, 15342, 16164, 20205, 23013, 25570, 26940, 30684, 38355, 40410, 46026, 51140, 76710, 80820, 92052, 115065, 153420, 230130, 460260, 1148093, 2296186, 3444279, 4592372, 5740465, 6888558, 10332837, 11480930, 13777116, 17221395, 20665674, 22961860, 34442790, 41331348, 51664185, 68885580, 103328370, 206656740]

約数ペア:

[(1, 206656740), (2, 103328370), (3, 68885580), (4, 51664185), (5, 41331348), (6, 34442790), (9, 22961860), (10, 20665674), (12, 17221395), (15, 13777116), (18, 11480930), (20, 10332837), (30, 6888558), (36, 5740465), (45, 4592372), (60, 3444279), (90, 2296186), (180, 1148093), (449, 460260), (898, 230130), (1347, 153420), (1796, 115065), (2245, 92052), (2557, 80820), (2694, 76710), (4041, 51140), (4490, 46026), (5114, 40410), (5388, 38355), (6735, 30684), (7671, 26940), (8082, 25570), (8980, 23013), (10228, 20205), (12785, 16164), (13470, 15342)]