51989220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{787}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 158331264

約数和(自身を除く): 106342044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 787, 1101, 1468, 1574, 1835, 2202, 2361, 3148, 3303, 3670, 3935, 4404, 4722, 5505, 6606, 7083, 7340, 7870, 9444, 11010, 11805, 13212, 14166, 15740, 16515, 22020, 23610, 28332, 33030, 35415, 47220, 66060, 70830, 141660, 288829, 577658, 866487, 1155316, 1444145, 1732974, 2599461, 2888290, 3465948, 4332435, 5198922, 5776580, 8664870, 10397844, 12997305, 17329740, 25994610, 51989220]

約数ペア:

[(1, 51989220), (2, 25994610), (3, 17329740), (4, 12997305), (5, 10397844), (6, 8664870), (9, 5776580), (10, 5198922), (12, 4332435), (15, 3465948), (18, 2888290), (20, 2599461), (30, 1732974), (36, 1444145), (45, 1155316), (60, 866487), (90, 577658), (180, 288829), (367, 141660), (734, 70830), (787, 66060), (1101, 47220), (1468, 35415), (1574, 33030), (1835, 28332), (2202, 23610), (2361, 22020), (3148, 16515), (3303, 15740), (3670, 14166), (3935, 13212), (4404, 11805), (4722, 11010), (5505, 9444), (6606, 7870), (7083, 7340)]