261747840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{136327}}^1$

素因数の和:136349

約数の個数: 64

約数和(自身を含む): 834327360

約数和(自身を除く): 572579520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 136327, 272654, 408981, 545308, 681635, 817962, 1090616, 1363270, 1635924, 2044905, 2181232, 2726540, 3271848, 4089810, 4362464, 5453080, 6543696, 8179620, 8724928, 10906160, 13087392, 16359240, 17449856, 21812320, 26174784, 32718480, 43624640, 52349568, 65436960, 87249280, 130873920, 261747840]

約数ペア:

[(1, 261747840), (2, 130873920), (3, 87249280), (4, 65436960), (5, 52349568), (6, 43624640), (8, 32718480), (10, 26174784), (12, 21812320), (15, 17449856), (16, 16359240), (20, 13087392), (24, 10906160), (30, 8724928), (32, 8179620), (40, 6543696), (48, 5453080), (60, 4362464), (64, 4089810), (80, 3271848), (96, 2726540), (120, 2181232), (128, 2044905), (160, 1635924), (192, 1363270), (240, 1090616), (320, 817962), (384, 681635), (480, 545308), (640, 408981), (960, 272654), (1920, 136327)]