289984640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 128

約数和(自身を含む): 801083520

約数和(自身を除く): 511098880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1360, 1408, 1496, 1760, 1870, 2176, 2423, 2720, 2992, 3520, 3740, 4846, 5440, 5984, 7040, 7480, 9692, 10880, 11968, 12115, 14960, 19384, 23936, 24230, 26653, 29920, 38768, 41191, 48460, 53306, 59840, 77536, 82382, 96920, 106612, 119680, 133265, 155072, 164764, 193840, 205955, 213224, 266530, 310144, 329528, 387680, 411910, 426448, 453101, 533060, 659056, 775360, 823820, 852896, 906202, 1066120, 1318112, 1550720, 1647640, 1705792, 1812404, 2132240, 2265505, 2636224, 3295280, 3411584, 3624808, 4264480, 4531010, 5272448, 6590560, 7249616, 8528960, 9062020, 13181120, 14499232, 17057920, 18124040, 26362240, 28998464, 36248080, 57996928, 72496160, 144992320, 289984640]

約数ペア:

[(1, 289984640), (2, 144992320), (4, 72496160), (5, 57996928), (8, 36248080), (10, 28998464), (11, 26362240), (16, 18124040), (17, 17057920), (20, 14499232), (22, 13181120), (32, 9062020), (34, 8528960), (40, 7249616), (44, 6590560), (55, 5272448), (64, 4531010), (68, 4264480), (80, 3624808), (85, 3411584), (88, 3295280), (110, 2636224), (128, 2265505), (136, 2132240), (160, 1812404), (170, 1705792), (176, 1647640), (187, 1550720), (220, 1318112), (272, 1066120), (320, 906202), (340, 852896), (352, 823820), (374, 775360), (440, 659056), (544, 533060), (640, 453101), (680, 426448), (704, 411910), (748, 387680), (880, 329528), (935, 310144), (1088, 266530), (1360, 213224), (1408, 205955), (1496, 193840), (1760, 164764), (1870, 155072), (2176, 133265), (2423, 119680), (2720, 106612), (2992, 96920), (3520, 82382), (3740, 77536), (4846, 59840), (5440, 53306), (5984, 48460), (7040, 41191), (7480, 38768), (9692, 29920), (10880, 26653), (11968, 24230), (12115, 23936), (14960, 19384)]