31505940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1733}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 96569928

約数和(自身を除く): 65063988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1733, 1818, 2020, 3030, 3466, 3636, 4545, 5199, 6060, 6932, 8665, 9090, 10398, 15597, 17330, 18180, 20796, 25995, 31194, 34660, 51990, 62388, 77985, 103980, 155970, 175033, 311940, 350066, 525099, 700132, 875165, 1050198, 1575297, 1750330, 2100396, 2625495, 3150594, 3500660, 5250990, 6301188, 7876485, 10501980, 15752970, 31505940]

約数ペア:

[(1, 31505940), (2, 15752970), (3, 10501980), (4, 7876485), (5, 6301188), (6, 5250990), (9, 3500660), (10, 3150594), (12, 2625495), (15, 2100396), (18, 1750330), (20, 1575297), (30, 1050198), (36, 875165), (45, 700132), (60, 525099), (90, 350066), (101, 311940), (180, 175033), (202, 155970), (303, 103980), (404, 77985), (505, 62388), (606, 51990), (909, 34660), (1010, 31194), (1212, 25995), (1515, 20796), (1733, 18180), (1818, 17330), (2020, 15597), (3030, 10398), (3466, 9090), (3636, 8665), (4545, 6932), (5199, 6060)]