245811720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 256

約数和(自身を含む): 945561600

約数和(自身を除く): 699749880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 37, 40, 42, 44, 55, 56, 60, 66, 70, 74, 77, 84, 88, 105, 110, 111, 120, 132, 140, 148, 154, 165, 168, 185, 210, 220, 222, 231, 259, 264, 280, 296, 308, 330, 370, 385, 407, 420, 440, 444, 462, 518, 555, 616, 660, 719, 740, 770, 777, 814, 840, 888, 924, 1036, 1110, 1155, 1221, 1295, 1320, 1438, 1480, 1540, 1554, 1628, 1848, 2035, 2072, 2157, 2220, 2310, 2442, 2590, 2849, 2876, 3080, 3108, 3256, 3595, 3885, 4070, 4314, 4440, 4620, 4884, 5033, 5180, 5698, 5752, 6105, 6216, 7190, 7770, 7909, 8140, 8547, 8628, 9240, 9768, 10066, 10360, 10785, 11396, 12210, 14245, 14380, 15099, 15540, 15818, 16280, 17094, 17256, 20132, 21570, 22792, 23727, 24420, 25165, 26603, 28490, 28760, 30198, 31080, 31636, 34188, 39545, 40264, 42735, 43140, 47454, 48840, 50330, 53206, 55363, 56980, 60396, 63272, 68376, 75495, 79090, 79809, 85470, 86280, 94908, 100660, 106412, 110726, 113960, 118635, 120792, 133015, 150990, 158180, 159618, 166089, 170940, 186221, 189816, 201320, 212824, 221452, 237270, 266030, 276815, 292633, 301980, 316360, 319236, 332178, 341880, 372442, 399045, 442904, 474540, 532060, 553630, 558663, 585266, 603960, 638472, 664356, 744884, 798090, 830445, 877899, 931105, 949080, 1064120, 1107260, 1117326, 1170532, 1328712, 1463165, 1489768, 1596180, 1660890, 1755798, 1862210, 2048431, 2214520, 2234652, 2341064, 2793315, 2926330, 3192360, 3321780, 3511596, 3724420, 4096862, 4389495, 4469304, 5586630, 5852660, 6145293, 6643560, 7023192, 7448840, 8193724, 8778990, 10242155, 11173260, 11705320, 12290586, 16387448, 17557980, 20484310, 22346520, 24581172, 30726465, 35115960, 40968620, 49162344, 61452930, 81937240, 122905860, 245811720]

約数ペア:

[(1, 245811720), (2, 122905860), (3, 81937240), (4, 61452930), (5, 49162344), (6, 40968620), (7, 35115960), (8, 30726465), (10, 24581172), (11, 22346520), (12, 20484310), (14, 17557980), (15, 16387448), (20, 12290586), (21, 11705320), (22, 11173260), (24, 10242155), (28, 8778990), (30, 8193724), (33, 7448840), (35, 7023192), (37, 6643560), (40, 6145293), (42, 5852660), (44, 5586630), (55, 4469304), (56, 4389495), (60, 4096862), (66, 3724420), (70, 3511596), (74, 3321780), (77, 3192360), (84, 2926330), (88, 2793315), (105, 2341064), (110, 2234652), (111, 2214520), (120, 2048431), (132, 1862210), (140, 1755798), (148, 1660890), (154, 1596180), (165, 1489768), (168, 1463165), (185, 1328712), (210, 1170532), (220, 1117326), (222, 1107260), (231, 1064120), (259, 949080), (264, 931105), (280, 877899), (296, 830445), (308, 798090), (330, 744884), (370, 664356), (385, 638472), (407, 603960), (420, 585266), (440, 558663), (444, 553630), (462, 532060), (518, 474540), (555, 442904), (616, 399045), (660, 372442), (719, 341880), (740, 332178), (770, 319236), (777, 316360), (814, 301980), (840, 292633), (888, 276815), (924, 266030), (1036, 237270), (1110, 221452), (1155, 212824), (1221, 201320), (1295, 189816), (1320, 186221), (1438, 170940), (1480, 166089), (1540, 159618), (1554, 158180), (1628, 150990), (1848, 133015), (2035, 120792), (2072, 118635), (2157, 113960), (2220, 110726), (2310, 106412), (2442, 100660), (2590, 94908), (2849, 86280), (2876, 85470), (3080, 79809), (3108, 79090), (3256, 75495), (3595, 68376), (3885, 63272), (4070, 60396), (4314, 56980), (4440, 55363), (4620, 53206), (4884, 50330), (5033, 48840), (5180, 47454), (5698, 43140), (5752, 42735), (6105, 40264), (6216, 39545), (7190, 34188), (7770, 31636), (7909, 31080), (8140, 30198), (8547, 28760), (8628, 28490), (9240, 26603), (9768, 25165), (10066, 24420), (10360, 23727), (10785, 22792), (11396, 21570), (12210, 20132), (14245, 17256), (14380, 17094), (15099, 16280), (15540, 15818)]