128880675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 296195328

約数和(自身を除く): 167314653

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 43, 45, 55, 63, 75, 77, 99, 105, 129, 165, 173, 175, 215, 225, 231, 275, 301, 315, 385, 387, 473, 495, 519, 525, 645, 693, 825, 865, 903, 1075, 1155, 1211, 1419, 1505, 1557, 1575, 1903, 1925, 1935, 2365, 2475, 2595, 2709, 3225, 3311, 3465, 3633, 4257, 4325, 4515, 5709, 5775, 6055, 7095, 7439, 7525, 7785, 9515, 9675, 9933, 10899, 11825, 12975, 13321, 13545, 16555, 17127, 17325, 18165, 21285, 22317, 22575, 28545, 29799, 30275, 35475, 37195, 38925, 39963, 47575, 49665, 52073, 54495, 66605, 66951, 67725, 81829, 82775, 85635, 90825, 106425, 111585, 119889, 142725, 148995, 156219, 185975, 199815, 245487, 248325, 260365, 272475, 333025, 334755, 409145, 428175, 468657, 557925, 572803, 599445, 736461, 744975, 781095, 999075, 1227435, 1301825, 1673775, 1718409, 2045725, 2343285, 2864015, 2997225, 3682305, 3905475, 5155227, 6137175, 8592045, 11716425, 14320075, 18411525, 25776135, 42960225, 128880675]

約数ペア:

[(1, 128880675), (3, 42960225), (5, 25776135), (7, 18411525), (9, 14320075), (11, 11716425), (15, 8592045), (21, 6137175), (25, 5155227), (33, 3905475), (35, 3682305), (43, 2997225), (45, 2864015), (55, 2343285), (63, 2045725), (75, 1718409), (77, 1673775), (99, 1301825), (105, 1227435), (129, 999075), (165, 781095), (173, 744975), (175, 736461), (215, 599445), (225, 572803), (231, 557925), (275, 468657), (301, 428175), (315, 409145), (385, 334755), (387, 333025), (473, 272475), (495, 260365), (519, 248325), (525, 245487), (645, 199815), (693, 185975), (825, 156219), (865, 148995), (903, 142725), (1075, 119889), (1155, 111585), (1211, 106425), (1419, 90825), (1505, 85635), (1557, 82775), (1575, 81829), (1903, 67725), (1925, 66951), (1935, 66605), (2365, 54495), (2475, 52073), (2595, 49665), (2709, 47575), (3225, 39963), (3311, 38925), (3465, 37195), (3633, 35475), (4257, 30275), (4325, 29799), (4515, 28545), (5709, 22575), (5775, 22317), (6055, 21285), (7095, 18165), (7439, 17325), (7525, 17127), (7785, 16555), (9515, 13545), (9675, 13321), (9933, 12975), (10899, 11825)]