1272157040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{206519}}^1$

素因数の和:206550

約数の個数: 80

約数和(自身を含む): 3687621120

約数和(自身を除く): 2415464080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 206519, 413038, 826076, 1032595, 1445633, 1652152, 2065190, 2271709, 2891266, 3304304, 4130380, 4543418, 5782532, 7228165, 8260760, 9086836, 11358545, 11565064, 14456330, 15901963, 16521520, 18173672, 22717090, 23130128, 28912660, 31803926, 36347344, 45434180, 57825320, 63607852, 79509815, 90868360, 115650640, 127215704, 159019630, 181736720, 254431408, 318039260, 636078520, 1272157040]

約数ペア:

[(1, 1272157040), (2, 636078520), (4, 318039260), (5, 254431408), (7, 181736720), (8, 159019630), (10, 127215704), (11, 115650640), (14, 90868360), (16, 79509815), (20, 63607852), (22, 57825320), (28, 45434180), (35, 36347344), (40, 31803926), (44, 28912660), (55, 23130128), (56, 22717090), (70, 18173672), (77, 16521520), (80, 15901963), (88, 14456330), (110, 11565064), (112, 11358545), (140, 9086836), (154, 8260760), (176, 7228165), (220, 5782532), (280, 4543418), (308, 4130380), (385, 3304304), (440, 2891266), (560, 2271709), (616, 2065190), (770, 1652152), (880, 1445633), (1232, 1032595), (1540, 826076), (3080, 413038), (6160, 206519)]