249490980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81533}}^1$

素因数の和:81565

約数の個数: 72

約数和(自身を含む): 801316152

約数和(自身を除く): 551825172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 81533, 163066, 244599, 326132, 407665, 489198, 733797, 815330, 978396, 1222995, 1386061, 1467594, 1630660, 2445990, 2772122, 2935188, 3668985, 4158183, 4891980, 5544244, 6930305, 7337970, 8316366, 12474549, 13860610, 14675940, 16632732, 20790915, 24949098, 27721220, 41581830, 49898196, 62372745, 83163660, 124745490, 249490980]

約数ペア:

[(1, 249490980), (2, 124745490), (3, 83163660), (4, 62372745), (5, 49898196), (6, 41581830), (9, 27721220), (10, 24949098), (12, 20790915), (15, 16632732), (17, 14675940), (18, 13860610), (20, 12474549), (30, 8316366), (34, 7337970), (36, 6930305), (45, 5544244), (51, 4891980), (60, 4158183), (68, 3668985), (85, 2935188), (90, 2772122), (102, 2445990), (153, 1630660), (170, 1467594), (180, 1386061), (204, 1222995), (255, 978396), (306, 815330), (340, 733797), (510, 489198), (612, 407665), (765, 326132), (1020, 244599), (1530, 163066), (3060, 81533)]