81796960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 222566400

約数和(自身を除く): 140769440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 199, 224, 280, 367, 398, 560, 734, 796, 995, 1120, 1393, 1468, 1592, 1835, 1990, 2569, 2786, 2936, 3184, 3670, 3980, 5138, 5572, 5872, 6368, 6965, 7340, 7960, 10276, 11144, 11744, 12845, 13930, 14680, 15920, 20552, 22288, 25690, 27860, 29360, 31840, 41104, 44576, 51380, 55720, 58720, 73033, 82208, 102760, 111440, 146066, 205520, 222880, 292132, 365165, 411040, 511231, 584264, 730330, 1022462, 1168528, 1460660, 2044924, 2337056, 2556155, 2921320, 4089848, 5112310, 5842640, 8179696, 10224620, 11685280, 16359392, 20449240, 40898480, 81796960]

約数ペア:

[(1, 81796960), (2, 40898480), (4, 20449240), (5, 16359392), (7, 11685280), (8, 10224620), (10, 8179696), (14, 5842640), (16, 5112310), (20, 4089848), (28, 2921320), (32, 2556155), (35, 2337056), (40, 2044924), (56, 1460660), (70, 1168528), (80, 1022462), (112, 730330), (140, 584264), (160, 511231), (199, 411040), (224, 365165), (280, 292132), (367, 222880), (398, 205520), (560, 146066), (734, 111440), (796, 102760), (995, 82208), (1120, 73033), (1393, 58720), (1468, 55720), (1592, 51380), (1835, 44576), (1990, 41104), (2569, 31840), (2786, 29360), (2936, 27860), (3184, 25690), (3670, 22288), (3980, 20552), (5138, 15920), (5572, 14680), (5872, 13930), (6368, 12845), (6965, 11744), (7340, 11144), (7960, 10276)]