248958540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81359}}^1$

素因数の和:81391

約数の個数: 72

約数和(自身を含む): 799606080

約数和(自身を除く): 550647540

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, 81359, 162718, 244077, 325436, 406795, 488154, 732231, 813590, 976308, 1220385, 1383103, 1464462, 1627180, 2440770, 2766206, 2928924, 3661155, 4149309, 4881540, 5532412, 6915515, 7322310, 8298618, 12447927, 13831030, 14644620, 16597236, 20746545, 24895854, 27662060, 41493090, 49791708, 62239635, 82986180, 124479270, 248958540]

約数ペア:

[(1, 248958540), (2, 124479270), (3, 82986180), (4, 62239635), (5, 49791708), (6, 41493090), (9, 27662060), (10, 24895854), (12, 20746545), (15, 16597236), (17, 14644620), (18, 13831030), (20, 12447927), (30, 8298618), (34, 7322310), (36, 6915515), (45, 5532412), (51, 4881540), (60, 4149309), (68, 3661155), (85, 2928924), (90, 2766206), (102, 2440770), (153, 1627180), (170, 1464462), (180, 1383103), (204, 1220385), (255, 976308), (306, 813590), (340, 732231), (510, 488154), (612, 406795), (765, 325436), (1020, 244077), (1530, 162718), (3060, 81359)]