131205760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29287}}^1$

素因数の和:29313

約数の個数: 64

約数和(自身を含む): 358485120

約数和(自身を除く): 227279360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 29287, 58574, 117148, 146435, 205009, 234296, 292870, 410018, 468592, 585740, 820036, 937184, 1025045, 1171480, 1640072, 1874368, 2050090, 2342960, 3280144, 3748736, 4100180, 4685920, 6560288, 8200360, 9371840, 13120576, 16400720, 18743680, 26241152, 32801440, 65602880, 131205760]

約数ペア:

[(1, 131205760), (2, 65602880), (4, 32801440), (5, 26241152), (7, 18743680), (8, 16400720), (10, 13120576), (14, 9371840), (16, 8200360), (20, 6560288), (28, 4685920), (32, 4100180), (35, 3748736), (40, 3280144), (56, 2342960), (64, 2050090), (70, 1874368), (80, 1640072), (112, 1171480), (128, 1025045), (140, 937184), (160, 820036), (224, 585740), (280, 468592), (320, 410018), (448, 292870), (560, 234296), (640, 205009), (896, 146435), (1120, 117148), (2240, 58574), (4480, 29287)]