571081520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 1358544000

約数和(自身を除く): 787462480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 109, 158, 218, 316, 395, 436, 545, 632, 790, 829, 872, 1090, 1264, 1580, 1658, 1744, 2180, 3160, 3316, 4145, 4360, 6320, 6632, 8290, 8611, 8720, 13264, 16580, 17222, 33160, 34444, 43055, 65491, 66320, 68888, 86110, 90361, 130982, 137776, 172220, 180722, 261964, 327455, 344440, 361444, 451805, 523928, 654910, 688880, 722888, 903610, 1047856, 1309820, 1445776, 1807220, 2619640, 3614440, 5239280, 7138519, 7228880, 14277038, 28554076, 35692595, 57108152, 71385190, 114216304, 142770380, 285540760, 571081520]

約数ペア:

[(1, 571081520), (2, 285540760), (4, 142770380), (5, 114216304), (8, 71385190), (10, 57108152), (16, 35692595), (20, 28554076), (40, 14277038), (79, 7228880), (80, 7138519), (109, 5239280), (158, 3614440), (218, 2619640), (316, 1807220), (395, 1445776), (436, 1309820), (545, 1047856), (632, 903610), (790, 722888), (829, 688880), (872, 654910), (1090, 523928), (1264, 451805), (1580, 361444), (1658, 344440), (1744, 327455), (2180, 261964), (3160, 180722), (3316, 172220), (4145, 137776), (4360, 130982), (6320, 90361), (6632, 86110), (8290, 68888), (8611, 66320), (8720, 65491), (13264, 43055), (16580, 34444), (17222, 33160)]