1159907780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{2081}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 2604956760

約数和(自身を除く): 1445048980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 961, 1798, 1922, 2081, 3596, 3844, 4162, 4495, 4805, 8324, 8990, 9610, 10405, 17980, 19220, 20810, 27869, 41620, 55738, 60349, 64511, 111476, 120698, 129022, 139345, 241396, 258044, 278690, 301745, 322555, 557380, 603490, 645110, 1206980, 1290220, 1870819, 1999841, 3741638, 3999682, 7483276, 7999364, 9354095, 9999205, 18708190, 19998410, 37416380, 39996820, 57995389, 115990778, 231981556, 289976945, 579953890, 1159907780]

約数ペア:

[(1, 1159907780), (2, 579953890), (4, 289976945), (5, 231981556), (10, 115990778), (20, 57995389), (29, 39996820), (31, 37416380), (58, 19998410), (62, 18708190), (116, 9999205), (124, 9354095), (145, 7999364), (155, 7483276), (290, 3999682), (310, 3741638), (580, 1999841), (620, 1870819), (899, 1290220), (961, 1206980), (1798, 645110), (1922, 603490), (2081, 557380), (3596, 322555), (3844, 301745), (4162, 278690), (4495, 258044), (4805, 241396), (8324, 139345), (8990, 129022), (9610, 120698), (10405, 111476), (17980, 64511), (19220, 60349), (20810, 55738), (27869, 41620)]