198370980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{18679}}^1$

素因数の和:18753

約数の個数: 72

約数和(自身を含む): 611956800

約数和(自身を除く): 413585820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 18679, 37358, 56037, 74716, 93395, 112074, 168111, 186790, 224148, 280185, 336222, 373580, 560370, 672444, 840555, 1102061, 1120740, 1681110, 2204122, 3306183, 3362220, 4408244, 5510305, 6612366, 9918549, 11020610, 13224732, 16530915, 19837098, 22041220, 33061830, 39674196, 49592745, 66123660, 99185490, 198370980]

約数ペア:

[(1, 198370980), (2, 99185490), (3, 66123660), (4, 49592745), (5, 39674196), (6, 33061830), (9, 22041220), (10, 19837098), (12, 16530915), (15, 13224732), (18, 11020610), (20, 9918549), (30, 6612366), (36, 5510305), (45, 4408244), (59, 3362220), (60, 3306183), (90, 2204122), (118, 1681110), (177, 1120740), (180, 1102061), (236, 840555), (295, 672444), (354, 560370), (531, 373580), (590, 336222), (708, 280185), (885, 224148), (1062, 186790), (1180, 168111), (1770, 112074), (2124, 93395), (2655, 74716), (3540, 56037), (5310, 37358), (10620, 18679)]