87339280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6781}}^1$

素因数の和:6824

約数の個数: 80

約数和(自身を含む): 242198784

約数和(自身を除く): 154859504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6781, 12880, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 108496, 135620, 155963, 189868, 237335, 271240, 311926, 379736, 474670, 542480, 623852, 759472, 779815, 949340, 1091741, 1247704, 1559630, 1898680, 2183482, 2495408, 3119260, 3797360, 4366964, 5458705, 6238520, 8733928, 10917410, 12477040, 17467856, 21834820, 43669640, 87339280]

約数ペア:

[(1, 87339280), (2, 43669640), (4, 21834820), (5, 17467856), (7, 12477040), (8, 10917410), (10, 8733928), (14, 6238520), (16, 5458705), (20, 4366964), (23, 3797360), (28, 3119260), (35, 2495408), (40, 2183482), (46, 1898680), (56, 1559630), (70, 1247704), (80, 1091741), (92, 949340), (112, 779815), (115, 759472), (140, 623852), (161, 542480), (184, 474670), (230, 379736), (280, 311926), (322, 271240), (368, 237335), (460, 189868), (560, 155963), (644, 135620), (805, 108496), (920, 94934), (1288, 67810), (1610, 54248), (1840, 47467), (2576, 33905), (3220, 27124), (6440, 13562), (6781, 12880)]