64740760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 188373600

約数和(自身を除く): 123632840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 49, 56, 58, 67, 68, 70, 85, 98, 116, 119, 134, 136, 140, 145, 170, 196, 203, 232, 238, 245, 268, 280, 290, 335, 340, 392, 406, 469, 476, 490, 493, 536, 580, 595, 670, 680, 812, 833, 938, 952, 980, 986, 1015, 1139, 1160, 1190, 1340, 1421, 1624, 1666, 1876, 1943, 1960, 1972, 2030, 2278, 2345, 2380, 2465, 2680, 2842, 3283, 3332, 3451, 3752, 3886, 3944, 4060, 4165, 4556, 4690, 4760, 4930, 5684, 5695, 6566, 6664, 6902, 7105, 7772, 7973, 8120, 8330, 9112, 9380, 9715, 9860, 11368, 11390, 13132, 13601, 13804, 14210, 15544, 15946, 16415, 16660, 17255, 18760, 19430, 19720, 22780, 24157, 26264, 27202, 27608, 28420, 31892, 32830, 33031, 33320, 34510, 38860, 39865, 45560, 48314, 54404, 55811, 56840, 63784, 65660, 66062, 68005, 69020, 77720, 79730, 95207, 96628, 108808, 111622, 120785, 131320, 132124, 136010, 138040, 159460, 165155, 190414, 193256, 223244, 231217, 241570, 264248, 272020, 279055, 318920, 330310, 380828, 446488, 462434, 476035, 483140, 544040, 558110, 660620, 761656, 924868, 952070, 966280, 1116220, 1156085, 1321240, 1618519, 1849736, 1904140, 2232440, 2312170, 3237038, 3808280, 4624340, 6474076, 8092595, 9248680, 12948152, 16185190, 32370380, 64740760]

約数ペア:

[(1, 64740760), (2, 32370380), (4, 16185190), (5, 12948152), (7, 9248680), (8, 8092595), (10, 6474076), (14, 4624340), (17, 3808280), (20, 3237038), (28, 2312170), (29, 2232440), (34, 1904140), (35, 1849736), (40, 1618519), (49, 1321240), (56, 1156085), (58, 1116220), (67, 966280), (68, 952070), (70, 924868), (85, 761656), (98, 660620), (116, 558110), (119, 544040), (134, 483140), (136, 476035), (140, 462434), (145, 446488), (170, 380828), (196, 330310), (203, 318920), (232, 279055), (238, 272020), (245, 264248), (268, 241570), (280, 231217), (290, 223244), (335, 193256), (340, 190414), (392, 165155), (406, 159460), (469, 138040), (476, 136010), (490, 132124), (493, 131320), (536, 120785), (580, 111622), (595, 108808), (670, 96628), (680, 95207), (812, 79730), (833, 77720), (938, 69020), (952, 68005), (980, 66062), (986, 65660), (1015, 63784), (1139, 56840), (1160, 55811), (1190, 54404), (1340, 48314), (1421, 45560), (1624, 39865), (1666, 38860), (1876, 34510), (1943, 33320), (1960, 33031), (1972, 32830), (2030, 31892), (2278, 28420), (2345, 27608), (2380, 27202), (2465, 26264), (2680, 24157), (2842, 22780), (3283, 19720), (3332, 19430), (3451, 18760), (3752, 17255), (3886, 16660), (3944, 16415), (4060, 15946), (4165, 15544), (4556, 14210), (4690, 13804), (4760, 13601), (4930, 13132), (5684, 11390), (5695, 11368), (6566, 9860), (6664, 9715), (6902, 9380), (7105, 9112), (7772, 8330), (7973, 8120)]