2142901980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5147}}^1$

素因数の和:5425

約数の個数: 120

約数和(自身を含む): 6749831088

約数和(自身を除く): 4606929108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 257, 270, 324, 405, 514, 540, 771, 810, 1028, 1285, 1542, 1620, 2313, 2570, 3084, 3855, 4626, 5140, 5147, 6939, 7710, 9252, 10294, 11565, 13878, 15420, 15441, 20588, 20817, 23130, 25735, 27756, 30882, 34695, 41634, 46260, 46323, 51470, 61764, 69390, 77205, 83268, 92646, 102940, 104085, 138780, 138969, 154410, 185292, 208170, 231615, 277938, 308820, 416340, 416907, 463230, 555876, 694845, 833814, 926460, 1322779, 1389690, 1667628, 2084535, 2645558, 2779380, 3968337, 4169070, 5291116, 6613895, 7936674, 8338140, 11905011, 13227790, 15873348, 19841685, 23810022, 26455580, 35715033, 39683370, 47620044, 59525055, 71430066, 79366740, 107145099, 119050110, 142860132, 178575165, 214290198, 238100220, 357150330, 428580396, 535725495, 714300660, 1071450990, 2142901980]

約数ペア:

[(1, 2142901980), (2, 1071450990), (3, 714300660), (4, 535725495), (5, 428580396), (6, 357150330), (9, 238100220), (10, 214290198), (12, 178575165), (15, 142860132), (18, 119050110), (20, 107145099), (27, 79366740), (30, 71430066), (36, 59525055), (45, 47620044), (54, 39683370), (60, 35715033), (81, 26455580), (90, 23810022), (108, 19841685), (135, 15873348), (162, 13227790), (180, 11905011), (257, 8338140), (270, 7936674), (324, 6613895), (405, 5291116), (514, 4169070), (540, 3968337), (771, 2779380), (810, 2645558), (1028, 2084535), (1285, 1667628), (1542, 1389690), (1620, 1322779), (2313, 926460), (2570, 833814), (3084, 694845), (3855, 555876), (4626, 463230), (5140, 416907), (5147, 416340), (6939, 308820), (7710, 277938), (9252, 231615), (10294, 208170), (11565, 185292), (13878, 154410), (15420, 138969), (15441, 138780), (20588, 104085), (20817, 102940), (23130, 92646), (25735, 83268), (27756, 77205), (30882, 69390), (34695, 61764), (41634, 51470), (46260, 46323)]