205570260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163151}}^1$

素因数の和:163173

約数の個数: 72

約数和(自身を含む): 712647936

約数和(自身を除く): 507077676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163151, 326302, 489453, 652604, 815755, 978906, 1142057, 1468359, 1631510, 1957812, 2284114, 2447265, 2936718, 3263020, 3426171, 4568228, 4894530, 5710285, 5873436, 6852342, 7341795, 9789060, 10278513, 11420570, 13704684, 14683590, 17130855, 20557026, 22841140, 29367180, 34261710, 41114052, 51392565, 68523420, 102785130, 205570260]

約数ペア:

[(1, 205570260), (2, 102785130), (3, 68523420), (4, 51392565), (5, 41114052), (6, 34261710), (7, 29367180), (9, 22841140), (10, 20557026), (12, 17130855), (14, 14683590), (15, 13704684), (18, 11420570), (20, 10278513), (21, 9789060), (28, 7341795), (30, 6852342), (35, 5873436), (36, 5710285), (42, 4894530), (45, 4568228), (60, 3426171), (63, 3263020), (70, 2936718), (84, 2447265), (90, 2284114), (105, 1957812), (126, 1631510), (140, 1468359), (180, 1142057), (210, 978906), (252, 815755), (315, 652604), (420, 489453), (630, 326302), (1260, 163151)]