128416640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 256

約数和(自身を含む): 376747200

約数和(自身を除く): 248330560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 32, 34, 37, 40, 44, 55, 58, 64, 68, 74, 80, 85, 88, 110, 116, 128, 136, 145, 148, 160, 170, 176, 185, 187, 220, 232, 272, 290, 296, 319, 320, 340, 352, 370, 374, 407, 440, 464, 493, 544, 580, 592, 629, 638, 640, 680, 704, 740, 748, 814, 880, 928, 935, 986, 1073, 1088, 1160, 1184, 1258, 1276, 1360, 1408, 1480, 1496, 1595, 1628, 1760, 1856, 1870, 1972, 2035, 2146, 2176, 2320, 2368, 2465, 2516, 2552, 2720, 2960, 2992, 3145, 3190, 3256, 3520, 3712, 3740, 3944, 4070, 4292, 4640, 4736, 4930, 5032, 5104, 5365, 5423, 5440, 5920, 5984, 6290, 6380, 6512, 6919, 7040, 7480, 7888, 8140, 8584, 9280, 9860, 10064, 10208, 10730, 10846, 10880, 11803, 11840, 11968, 12580, 12760, 13024, 13838, 14960, 15776, 16280, 17168, 18241, 18560, 19720, 20128, 20416, 21460, 21692, 23606, 23680, 23936, 25160, 25520, 26048, 27115, 27676, 29920, 31552, 32560, 34336, 34595, 36482, 39440, 40256, 40832, 42920, 43384, 47212, 50320, 51040, 52096, 54230, 55352, 59015, 59840, 63104, 65120, 68672, 69190, 72964, 78880, 80512, 85840, 86768, 91205, 94424, 100640, 102080, 108460, 110704, 118030, 119680, 130240, 137344, 138380, 145928, 157760, 171680, 173536, 182410, 188848, 200651, 201280, 204160, 216920, 221408, 236060, 260480, 276760, 291856, 315520, 343360, 347072, 364820, 377696, 401302, 402560, 433840, 442816, 472120, 553520, 583712, 686720, 694144, 729640, 755392, 802604, 867680, 885632, 944240, 1003255, 1107040, 1167424, 1459280, 1510784, 1605208, 1735360, 1888480, 2006510, 2214080, 2334848, 2918560, 3210416, 3470720, 3776960, 4013020, 4428160, 5837120, 6420832, 7553920, 8026040, 11674240, 12841664, 16052080, 25683328, 32104160, 64208320, 128416640]

約数ペア:

[(1, 128416640), (2, 64208320), (4, 32104160), (5, 25683328), (8, 16052080), (10, 12841664), (11, 11674240), (16, 8026040), (17, 7553920), (20, 6420832), (22, 5837120), (29, 4428160), (32, 4013020), (34, 3776960), (37, 3470720), (40, 3210416), (44, 2918560), (55, 2334848), (58, 2214080), (64, 2006510), (68, 1888480), (74, 1735360), (80, 1605208), (85, 1510784), (88, 1459280), (110, 1167424), (116, 1107040), (128, 1003255), (136, 944240), (145, 885632), (148, 867680), (160, 802604), (170, 755392), (176, 729640), (185, 694144), (187, 686720), (220, 583712), (232, 553520), (272, 472120), (290, 442816), (296, 433840), (319, 402560), (320, 401302), (340, 377696), (352, 364820), (370, 347072), (374, 343360), (407, 315520), (440, 291856), (464, 276760), (493, 260480), (544, 236060), (580, 221408), (592, 216920), (629, 204160), (638, 201280), (640, 200651), (680, 188848), (704, 182410), (740, 173536), (748, 171680), (814, 157760), (880, 145928), (928, 138380), (935, 137344), (986, 130240), (1073, 119680), (1088, 118030), (1160, 110704), (1184, 108460), (1258, 102080), (1276, 100640), (1360, 94424), (1408, 91205), (1480, 86768), (1496, 85840), (1595, 80512), (1628, 78880), (1760, 72964), (1856, 69190), (1870, 68672), (1972, 65120), (2035, 63104), (2146, 59840), (2176, 59015), (2320, 55352), (2368, 54230), (2465, 52096), (2516, 51040), (2552, 50320), (2720, 47212), (2960, 43384), (2992, 42920), (3145, 40832), (3190, 40256), (3256, 39440), (3520, 36482), (3712, 34595), (3740, 34336), (3944, 32560), (4070, 31552), (4292, 29920), (4640, 27676), (4736, 27115), (4930, 26048), (5032, 25520), (5104, 25160), (5365, 23936), (5423, 23680), (5440, 23606), (5920, 21692), (5984, 21460), (6290, 20416), (6380, 20128), (6512, 19720), (6919, 18560), (7040, 18241), (7480, 17168), (7888, 16280), (8140, 15776), (8584, 14960), (9280, 13838), (9860, 13024), (10064, 12760), (10208, 12580), (10730, 11968), (10846, 11840), (10880, 11803)]