86156680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 213856200

約数和(自身を除く): 127699520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 257, 289, 290, 340, 493, 514, 578, 580, 680, 986, 1028, 1156, 1160, 1285, 1445, 1972, 2056, 2312, 2465, 2570, 2890, 3944, 4369, 4930, 5140, 5780, 7453, 8381, 8738, 9860, 10280, 11560, 14906, 16762, 17476, 19720, 21845, 29812, 33524, 34952, 37265, 41905, 43690, 59624, 67048, 74273, 74530, 83810, 87380, 126701, 148546, 149060, 167620, 174760, 253402, 297092, 298120, 335240, 371365, 506804, 594184, 633505, 742730, 1013608, 1267010, 1485460, 2153917, 2534020, 2970920, 4307834, 5068040, 8615668, 10769585, 17231336, 21539170, 43078340, 86156680]

約数ペア:

[(1, 86156680), (2, 43078340), (4, 21539170), (5, 17231336), (8, 10769585), (10, 8615668), (17, 5068040), (20, 4307834), (29, 2970920), (34, 2534020), (40, 2153917), (58, 1485460), (68, 1267010), (85, 1013608), (116, 742730), (136, 633505), (145, 594184), (170, 506804), (232, 371365), (257, 335240), (289, 298120), (290, 297092), (340, 253402), (493, 174760), (514, 167620), (578, 149060), (580, 148546), (680, 126701), (986, 87380), (1028, 83810), (1156, 74530), (1160, 74273), (1285, 67048), (1445, 59624), (1972, 43690), (2056, 41905), (2312, 37265), (2465, 34952), (2570, 33524), (2890, 29812), (3944, 21845), (4369, 19720), (4930, 17476), (5140, 16762), (5780, 14906), (7453, 11560), (8381, 10280), (8738, 9860)]