121515460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 283210200

約数和(自身を除く): 161694740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 242, 298, 337, 484, 596, 605, 674, 745, 1210, 1348, 1490, 1639, 1685, 2420, 2980, 3278, 3370, 3707, 6556, 6740, 7414, 8195, 14828, 16390, 18029, 18535, 32780, 36058, 37070, 40777, 50213, 72116, 74140, 81554, 90145, 100426, 163108, 180290, 200852, 203885, 251065, 360580, 407770, 502130, 552343, 815540, 1004260, 1104686, 2209372, 2761715, 5523430, 6075773, 11046860, 12151546, 24303092, 30378865, 60757730, 121515460]

約数ペア:

[(1, 121515460), (2, 60757730), (4, 30378865), (5, 24303092), (10, 12151546), (11, 11046860), (20, 6075773), (22, 5523430), (44, 2761715), (55, 2209372), (110, 1104686), (121, 1004260), (149, 815540), (220, 552343), (242, 502130), (298, 407770), (337, 360580), (484, 251065), (596, 203885), (605, 200852), (674, 180290), (745, 163108), (1210, 100426), (1348, 90145), (1490, 81554), (1639, 74140), (1685, 72116), (2420, 50213), (2980, 40777), (3278, 37070), (3370, 36058), (3707, 32780), (6556, 18535), (6740, 18029), (7414, 16390), (8195, 14828)]