88128680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 224532000

約数和(自身を除く): 136403320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 41, 58, 68, 82, 85, 109, 116, 136, 145, 164, 170, 205, 218, 232, 290, 328, 340, 410, 436, 493, 545, 580, 680, 697, 820, 872, 986, 1090, 1160, 1189, 1394, 1640, 1853, 1972, 2180, 2378, 2465, 2788, 3161, 3485, 3706, 3944, 4360, 4469, 4756, 4930, 5576, 5945, 6322, 6970, 7412, 8938, 9265, 9512, 9860, 11890, 12644, 13940, 14824, 15805, 17876, 18530, 19720, 20213, 22345, 23780, 25288, 27880, 31610, 35752, 37060, 40426, 44690, 47560, 53737, 63220, 74120, 75973, 80852, 89380, 101065, 107474, 126440, 129601, 151946, 161704, 178760, 202130, 214948, 259202, 268685, 303892, 379865, 404260, 429896, 518404, 537370, 607784, 648005, 759730, 808520, 1036808, 1074740, 1296010, 1519460, 2149480, 2203217, 2592020, 3038920, 4406434, 5184040, 8812868, 11016085, 17625736, 22032170, 44064340, 88128680]

約数ペア:

[(1, 88128680), (2, 44064340), (4, 22032170), (5, 17625736), (8, 11016085), (10, 8812868), (17, 5184040), (20, 4406434), (29, 3038920), (34, 2592020), (40, 2203217), (41, 2149480), (58, 1519460), (68, 1296010), (82, 1074740), (85, 1036808), (109, 808520), (116, 759730), (136, 648005), (145, 607784), (164, 537370), (170, 518404), (205, 429896), (218, 404260), (232, 379865), (290, 303892), (328, 268685), (340, 259202), (410, 214948), (436, 202130), (493, 178760), (545, 161704), (580, 151946), (680, 129601), (697, 126440), (820, 107474), (872, 101065), (986, 89380), (1090, 80852), (1160, 75973), (1189, 74120), (1394, 63220), (1640, 53737), (1853, 47560), (1972, 44690), (2180, 40426), (2378, 37060), (2465, 35752), (2788, 31610), (3161, 27880), (3485, 25288), (3706, 23780), (3944, 22345), (4360, 20213), (4469, 19720), (4756, 18530), (4930, 17876), (5576, 15805), (5945, 14824), (6322, 13940), (6970, 12644), (7412, 11890), (8938, 9860), (9265, 9512)]