721000770024

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1\times {\mathrm{350549}}^1$

素因数の和:352594

約数の個数: 64

約数和(自身を含む): 1845351288000

約数和(自身を除く): 1124350517976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 1993, 3986, 5979, 7972, 11958, 15944, 23916, 47832, 85699, 171398, 257097, 342796, 350549, 514194, 685592, 701098, 1028388, 1051647, 1402196, 2056776, 2103294, 2804392, 4206588, 8413176, 15073607, 30147214, 45220821, 60294428, 90441642, 120588856, 180883284, 361766568, 698644157, 1397288314, 2095932471, 2794576628, 4191864942, 5589153256, 8383729884, 16767459768, 30041698751, 60083397502, 90125096253, 120166795004, 180250192506, 240333590008, 360500385012, 721000770024]

約数ペア:

[(1, 721000770024), (2, 360500385012), (3, 240333590008), (4, 180250192506), (6, 120166795004), (8, 90125096253), (12, 60083397502), (24, 30041698751), (43, 16767459768), (86, 8383729884), (129, 5589153256), (172, 4191864942), (258, 2794576628), (344, 2095932471), (516, 1397288314), (1032, 698644157), (1993, 361766568), (3986, 180883284), (5979, 120588856), (7972, 90441642), (11958, 60294428), (15944, 45220821), (23916, 30147214), (47832, 15073607), (85699, 8413176), (171398, 4206588), (257097, 2804392), (342796, 2103294), (350549, 2056776), (514194, 1402196), (685592, 1051647), (701098, 1028388)]