1605760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 4155480

約数和(自身を除く): 2549720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 193, 208, 260, 320, 386, 416, 520, 640, 772, 832, 965, 1040, 1544, 1664, 1930, 2080, 2509, 3088, 3860, 4160, 5018, 6176, 7720, 8320, 10036, 12352, 12545, 15440, 20072, 24704, 25090, 30880, 40144, 50180, 61760, 80288, 100360, 123520, 160576, 200720, 321152, 401440, 802880, 1605760]

約数ペア:

[(1, 1605760), (2, 802880), (4, 401440), (5, 321152), (8, 200720), (10, 160576), (13, 123520), (16, 100360), (20, 80288), (26, 61760), (32, 50180), (40, 40144), (52, 30880), (64, 25090), (65, 24704), (80, 20072), (104, 15440), (128, 12545), (130, 12352), (160, 10036), (193, 8320), (208, 7720), (260, 6176), (320, 5018), (386, 4160), (416, 3860), (520, 3088), (640, 2509), (772, 2080), (832, 1930), (965, 1664), (1040, 1544)]