212541570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1297

約数の個数: 80

約数和(自身を含む): 574286328

約数和(自身を除く): 361744758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 257, 270, 405, 514, 771, 810, 1021, 1285, 1542, 2042, 2313, 2570, 3063, 3855, 4626, 5105, 6126, 6939, 7710, 9189, 10210, 11565, 13878, 15315, 18378, 20817, 23130, 27567, 30630, 34695, 41634, 45945, 55134, 69390, 82701, 91890, 104085, 137835, 165402, 208170, 262397, 275670, 413505, 524794, 787191, 827010, 1311985, 1574382, 2361573, 2623970, 3935955, 4723146, 7084719, 7871910, 11807865, 14169438, 21254157, 23615730, 35423595, 42508314, 70847190, 106270785, 212541570]

約数ペア:

[(1, 212541570), (2, 106270785), (3, 70847190), (5, 42508314), (6, 35423595), (9, 23615730), (10, 21254157), (15, 14169438), (18, 11807865), (27, 7871910), (30, 7084719), (45, 4723146), (54, 3935955), (81, 2623970), (90, 2361573), (135, 1574382), (162, 1311985), (257, 827010), (270, 787191), (405, 524794), (514, 413505), (771, 275670), (810, 262397), (1021, 208170), (1285, 165402), (1542, 137835), (2042, 104085), (2313, 91890), (2570, 82701), (3063, 69390), (3855, 55134), (4626, 45945), (5105, 41634), (6126, 34695), (6939, 30630), (7710, 27567), (9189, 23130), (10210, 20817), (11565, 18378), (13878, 15315)]