90423180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2213}}^1$

素因数の和:2455

約数の個数: 72

約数和(自身を含む): 275616432

約数和(自身を除く): 185193252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2213, 2270, 2724, 3405, 4086, 4426, 4540, 6639, 6810, 8172, 8852, 10215, 11065, 13278, 13620, 19917, 20430, 22130, 26556, 33195, 39834, 40860, 44260, 66390, 79668, 99585, 132780, 199170, 398340, 502351, 1004702, 1507053, 2009404, 2511755, 3014106, 4521159, 5023510, 6028212, 7535265, 9042318, 10047020, 15070530, 18084636, 22605795, 30141060, 45211590, 90423180]

約数ペア:

[(1, 90423180), (2, 45211590), (3, 30141060), (4, 22605795), (5, 18084636), (6, 15070530), (9, 10047020), (10, 9042318), (12, 7535265), (15, 6028212), (18, 5023510), (20, 4521159), (30, 3014106), (36, 2511755), (45, 2009404), (60, 1507053), (90, 1004702), (180, 502351), (227, 398340), (454, 199170), (681, 132780), (908, 99585), (1135, 79668), (1362, 66390), (2043, 44260), (2213, 40860), (2270, 39834), (2724, 33195), (3405, 26556), (4086, 22130), (4426, 20430), (4540, 19917), (6639, 13620), (6810, 13278), (8172, 11065), (8852, 10215)]