18913121880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1\times {\mathrm{3313}}^1$

素因数の和:3861

約数の個数: 128

約数和(自身を含む): 57394768320

約数和(自身を除く): 38481646440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 421, 452, 565, 678, 842, 904, 1130, 1263, 1356, 1684, 1695, 2105, 2260, 2526, 2712, 3313, 3368, 3390, 4210, 4520, 5052, 6315, 6626, 6780, 8420, 9939, 10104, 12630, 13252, 13560, 16565, 16840, 19878, 25260, 26504, 33130, 39756, 47573, 49695, 50520, 66260, 79512, 95146, 99390, 132520, 142719, 190292, 198780, 237865, 285438, 374369, 380584, 397560, 475730, 570876, 713595, 748738, 951460, 1123107, 1141752, 1394773, 1427190, 1497476, 1871845, 1902920, 2246214, 2789546, 2854380, 2994952, 3743690, 4184319, 4492428, 5579092, 5615535, 5708760, 6973865, 7487380, 8368638, 8984856, 11158184, 11231070, 13947730, 14974760, 16737276, 20921595, 22462140, 27895460, 33474552, 41843190, 44924280, 55790920, 83686380, 157609349, 167372760, 315218698, 472828047, 630437396, 788046745, 945656094, 1260874792, 1576093490, 1891312188, 2364140235, 3152186980, 3782624376, 4728280470, 6304373960, 9456560940, 18913121880]

約数ペア:

[(1, 18913121880), (2, 9456560940), (3, 6304373960), (4, 4728280470), (5, 3782624376), (6, 3152186980), (8, 2364140235), (10, 1891312188), (12, 1576093490), (15, 1260874792), (20, 945656094), (24, 788046745), (30, 630437396), (40, 472828047), (60, 315218698), (113, 167372760), (120, 157609349), (226, 83686380), (339, 55790920), (421, 44924280), (452, 41843190), (565, 33474552), (678, 27895460), (842, 22462140), (904, 20921595), (1130, 16737276), (1263, 14974760), (1356, 13947730), (1684, 11231070), (1695, 11158184), (2105, 8984856), (2260, 8368638), (2526, 7487380), (2712, 6973865), (3313, 5708760), (3368, 5615535), (3390, 5579092), (4210, 4492428), (4520, 4184319), (5052, 3743690), (6315, 2994952), (6626, 2854380), (6780, 2789546), (8420, 2246214), (9939, 1902920), (10104, 1871845), (12630, 1497476), (13252, 1427190), (13560, 1394773), (16565, 1141752), (16840, 1123107), (19878, 951460), (25260, 748738), (26504, 713595), (33130, 570876), (39756, 475730), (47573, 397560), (49695, 380584), (50520, 374369), (66260, 285438), (79512, 237865), (95146, 198780), (99390, 190292), (132520, 142719)]