1282960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 3571200

約数和(自身を除く): 2288240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 79, 80, 112, 116, 140, 145, 158, 203, 232, 280, 290, 316, 395, 406, 464, 553, 560, 580, 632, 790, 812, 1015, 1106, 1160, 1264, 1580, 1624, 2030, 2212, 2291, 2320, 2765, 3160, 3248, 4060, 4424, 4582, 5530, 6320, 8120, 8848, 9164, 11060, 11455, 16037, 16240, 18328, 22120, 22910, 32074, 36656, 44240, 45820, 64148, 80185, 91640, 128296, 160370, 183280, 256592, 320740, 641480, 1282960]

約数ペア:

[(1, 1282960), (2, 641480), (4, 320740), (5, 256592), (7, 183280), (8, 160370), (10, 128296), (14, 91640), (16, 80185), (20, 64148), (28, 45820), (29, 44240), (35, 36656), (40, 32074), (56, 22910), (58, 22120), (70, 18328), (79, 16240), (80, 16037), (112, 11455), (116, 11060), (140, 9164), (145, 8848), (158, 8120), (203, 6320), (232, 5530), (280, 4582), (290, 4424), (316, 4060), (395, 3248), (406, 3160), (464, 2765), (553, 2320), (560, 2291), (580, 2212), (632, 2030), (790, 1624), (812, 1580), (1015, 1264), (1106, 1160)]