261407040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{272299}}^1$

素因数の和:272319

約数の個数: 56

約数和(自身を含む): 829970400

約数和(自身を除く): 568563360

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, 160, 192, 240, 320, 480, 960, 272299, 544598, 816897, 1089196, 1361495, 1633794, 2178392, 2722990, 3267588, 4084485, 4356784, 5445980, 6535176, 8168970, 8713568, 10891960, 13070352, 16337940, 17427136, 21783920, 26140704, 32675880, 43567840, 52281408, 65351760, 87135680, 130703520, 261407040]

約数ペア:

[(1, 261407040), (2, 130703520), (3, 87135680), (4, 65351760), (5, 52281408), (6, 43567840), (8, 32675880), (10, 26140704), (12, 21783920), (15, 17427136), (16, 16337940), (20, 13070352), (24, 10891960), (30, 8713568), (32, 8168970), (40, 6535176), (48, 5445980), (60, 4356784), (64, 4084485), (80, 3267588), (96, 2722990), (120, 2178392), (160, 1633794), (192, 1361495), (240, 1089196), (320, 816897), (480, 544598), (960, 272299)]