164370640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7159}}^1$

素因数の和:7220

約数の個数: 80

約数和(自身を含む): 447471360

約数和(自身を除く): 283100720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 7159, 11480, 14318, 22960, 28636, 35795, 50113, 57272, 71590, 100226, 114544, 143180, 200452, 250565, 286360, 293519, 400904, 501130, 572720, 587038, 801808, 1002260, 1174076, 1467595, 2004520, 2054633, 2348152, 2935190, 4009040, 4109266, 4696304, 5870380, 8218532, 10273165, 11740760, 16437064, 20546330, 23481520, 32874128, 41092660, 82185320, 164370640]

約数ペア:

[(1, 164370640), (2, 82185320), (4, 41092660), (5, 32874128), (7, 23481520), (8, 20546330), (10, 16437064), (14, 11740760), (16, 10273165), (20, 8218532), (28, 5870380), (35, 4696304), (40, 4109266), (41, 4009040), (56, 2935190), (70, 2348152), (80, 2054633), (82, 2004520), (112, 1467595), (140, 1174076), (164, 1002260), (205, 801808), (280, 587038), (287, 572720), (328, 501130), (410, 400904), (560, 293519), (574, 286360), (656, 250565), (820, 200452), (1148, 143180), (1435, 114544), (1640, 100226), (2296, 71590), (2870, 57272), (3280, 50113), (4592, 35795), (5740, 28636), (7159, 22960), (11480, 14318)]