257989440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8669}}^1$

素因数の和:8720

約数の個数: 112

約数和(自身を含む): 845637120

約数和(自身を除く): 587647680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8669, 9920, 14880, 17338, 26007, 29760, 34676, 43345, 52014, 69352, 86690, 104028, 130035, 138704, 173380, 208056, 260070, 268739, 277408, 346760, 416112, 520140, 537478, 554816, 693520, 806217, 832224, 1040280, 1074956, 1343695, 1387040, 1612434, 1664448, 2080560, 2149912, 2687390, 2774080, 3224868, 4031085, 4161120, 4299824, 5374780, 6449736, 8062170, 8322240, 8599648, 10749560, 12899472, 16124340, 17199296, 21499120, 25798944, 32248680, 42998240, 51597888, 64497360, 85996480, 128994720, 257989440]

約数ペア:

[(1, 257989440), (2, 128994720), (3, 85996480), (4, 64497360), (5, 51597888), (6, 42998240), (8, 32248680), (10, 25798944), (12, 21499120), (15, 17199296), (16, 16124340), (20, 12899472), (24, 10749560), (30, 8599648), (31, 8322240), (32, 8062170), (40, 6449736), (48, 5374780), (60, 4299824), (62, 4161120), (64, 4031085), (80, 3224868), (93, 2774080), (96, 2687390), (120, 2149912), (124, 2080560), (155, 1664448), (160, 1612434), (186, 1387040), (192, 1343695), (240, 1074956), (248, 1040280), (310, 832224), (320, 806217), (372, 693520), (465, 554816), (480, 537478), (496, 520140), (620, 416112), (744, 346760), (930, 277408), (960, 268739), (992, 260070), (1240, 208056), (1488, 173380), (1860, 138704), (1984, 130035), (2480, 104028), (2976, 86690), (3720, 69352), (4960, 52014), (5952, 43345), (7440, 34676), (8669, 29760), (9920, 26007), (14880, 17338)]