29991640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 52122920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 47, 53, 56, 70, 86, 94, 106, 140, 172, 188, 212, 215, 235, 265, 280, 301, 329, 344, 371, 376, 424, 430, 470, 530, 602, 658, 742, 860, 940, 1060, 1204, 1316, 1484, 1505, 1645, 1720, 1855, 1880, 2021, 2120, 2279, 2408, 2491, 2632, 2968, 3010, 3290, 3710, 4042, 4558, 4982, 6020, 6580, 7420, 8084, 9116, 9964, 10105, 11395, 12040, 12455, 13160, 14147, 14840, 15953, 16168, 17437, 18232, 19928, 20210, 22790, 24910, 28294, 31906, 34874, 40420, 45580, 49820, 56588, 63812, 69748, 70735, 79765, 80840, 87185, 91160, 99640, 107113, 113176, 127624, 139496, 141470, 159530, 174370, 214226, 282940, 319060, 348740, 428452, 535565, 565880, 638120, 697480, 749791, 856904, 1071130, 1499582, 2142260, 2999164, 3748955, 4284520, 5998328, 7497910, 14995820, 29991640]

約数ペア:

[(1, 29991640), (2, 14995820), (4, 7497910), (5, 5998328), (7, 4284520), (8, 3748955), (10, 2999164), (14, 2142260), (20, 1499582), (28, 1071130), (35, 856904), (40, 749791), (43, 697480), (47, 638120), (53, 565880), (56, 535565), (70, 428452), (86, 348740), (94, 319060), (106, 282940), (140, 214226), (172, 174370), (188, 159530), (212, 141470), (215, 139496), (235, 127624), (265, 113176), (280, 107113), (301, 99640), (329, 91160), (344, 87185), (371, 80840), (376, 79765), (424, 70735), (430, 69748), (470, 63812), (530, 56588), (602, 49820), (658, 45580), (742, 40420), (860, 34874), (940, 31906), (1060, 28294), (1204, 24910), (1316, 22790), (1484, 20210), (1505, 19928), (1645, 18232), (1720, 17437), (1855, 16168), (1880, 15953), (2021, 14840), (2120, 14147), (2279, 13160), (2408, 12455), (2491, 12040), (2632, 11395), (2968, 10105), (3010, 9964), (3290, 9116), (3710, 8084), (4042, 7420), (4558, 6580), (4982, 6020)]