51280920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 167796720

約数和(自身を除く): 116515800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 360, 362, 543, 724, 787, 905, 1086, 1448, 1574, 1629, 1810, 2172, 2361, 2715, 3148, 3258, 3620, 3935, 4344, 4722, 5430, 6296, 6516, 7083, 7240, 7870, 8145, 9444, 10860, 11805, 13032, 14166, 15740, 16290, 18888, 21720, 23610, 28332, 31480, 32580, 35415, 47220, 56664, 65160, 70830, 94440, 141660, 142447, 283320, 284894, 427341, 569788, 712235, 854682, 1139576, 1282023, 1424470, 1709364, 2136705, 2564046, 2848940, 3418728, 4273410, 5128092, 5697880, 6410115, 8546820, 10256184, 12820230, 17093640, 25640460, 51280920]

約数ペア:

[(1, 51280920), (2, 25640460), (3, 17093640), (4, 12820230), (5, 10256184), (6, 8546820), (8, 6410115), (9, 5697880), (10, 5128092), (12, 4273410), (15, 3418728), (18, 2848940), (20, 2564046), (24, 2136705), (30, 1709364), (36, 1424470), (40, 1282023), (45, 1139576), (60, 854682), (72, 712235), (90, 569788), (120, 427341), (180, 284894), (181, 283320), (360, 142447), (362, 141660), (543, 94440), (724, 70830), (787, 65160), (905, 56664), (1086, 47220), (1448, 35415), (1574, 32580), (1629, 31480), (1810, 28332), (2172, 23610), (2361, 21720), (2715, 18888), (3148, 16290), (3258, 15740), (3620, 14166), (3935, 13032), (4344, 11805), (4722, 10860), (5430, 9444), (6296, 8145), (6516, 7870), (7083, 7240)]