521839980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{5953}}^1$

素因数の和:6455

約数の個数: 72

約数和(自身を含む): 1586431392

約数和(自身を除く): 1064591412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 5953, 7305, 8766, 9740, 11906, 14610, 17532, 17859, 21915, 23812, 29220, 29765, 35718, 43830, 53577, 59530, 71436, 87660, 89295, 107154, 119060, 178590, 214308, 267885, 357180, 535770, 1071540, 2899111, 5798222, 8697333, 11596444, 14495555, 17394666, 26091999, 28991110, 34789332, 43486665, 52183998, 57982220, 86973330, 104367996, 130459995, 173946660, 260919990, 521839980]

約数ペア:

[(1, 521839980), (2, 260919990), (3, 173946660), (4, 130459995), (5, 104367996), (6, 86973330), (9, 57982220), (10, 52183998), (12, 43486665), (15, 34789332), (18, 28991110), (20, 26091999), (30, 17394666), (36, 14495555), (45, 11596444), (60, 8697333), (90, 5798222), (180, 2899111), (487, 1071540), (974, 535770), (1461, 357180), (1948, 267885), (2435, 214308), (2922, 178590), (4383, 119060), (4870, 107154), (5844, 89295), (5953, 87660), (7305, 71436), (8766, 59530), (9740, 53577), (11906, 43830), (14610, 35718), (17532, 29765), (17859, 29220), (21915, 23812)]