28854180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5217

約数の個数: 72

約数和(自身を含む): 90365184

約数和(自身を除く): 61511004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5171, 5580, 10342, 15513, 20684, 25855, 31026, 46539, 51710, 62052, 77565, 93078, 103420, 155130, 160301, 186156, 232695, 310260, 320602, 465390, 480903, 641204, 801505, 930780, 961806, 1442709, 1603010, 1923612, 2404515, 2885418, 3206020, 4809030, 5770836, 7213545, 9618060, 14427090, 28854180]

約数ペア:

[(1, 28854180), (2, 14427090), (3, 9618060), (4, 7213545), (5, 5770836), (6, 4809030), (9, 3206020), (10, 2885418), (12, 2404515), (15, 1923612), (18, 1603010), (20, 1442709), (30, 961806), (31, 930780), (36, 801505), (45, 641204), (60, 480903), (62, 465390), (90, 320602), (93, 310260), (124, 232695), (155, 186156), (180, 160301), (186, 155130), (279, 103420), (310, 93078), (372, 77565), (465, 62052), (558, 51710), (620, 46539), (930, 31026), (1116, 25855), (1395, 20684), (1860, 15513), (2790, 10342), (5171, 5580)]