261738240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{68161}}^1$

素因数の和:68185

約数の個数: 72

約数和(自身を含む): 835938768

約数和(自身を除く): 574200528

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 68161, 136322, 204483, 272644, 340805, 408966, 545288, 681610, 817932, 1022415, 1090576, 1363220, 1635864, 2044830, 2181152, 2726440, 3271728, 4089660, 4362304, 5452880, 6543456, 8179320, 8724608, 10905760, 13086912, 16358640, 17449216, 21811520, 26173824, 32717280, 43623040, 52347648, 65434560, 87246080, 130869120, 261738240]

約数ペア:

[(1, 261738240), (2, 130869120), (3, 87246080), (4, 65434560), (5, 52347648), (6, 43623040), (8, 32717280), (10, 26173824), (12, 21811520), (15, 17449216), (16, 16358640), (20, 13086912), (24, 10905760), (30, 8724608), (32, 8179320), (40, 6543456), (48, 5452880), (60, 4362304), (64, 4089660), (80, 3271728), (96, 2726440), (120, 2181152), (128, 2044830), (160, 1635864), (192, 1363220), (240, 1090576), (256, 1022415), (320, 817932), (384, 681610), (480, 545288), (640, 408966), (768, 340805), (960, 272644), (1280, 204483), (1920, 136322), (3840, 68161)]