87259480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 251112960

約数和(自身を除く): 163853480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 574, 616, 691, 770, 820, 902, 1148, 1382, 1435, 1540, 1640, 1804, 2255, 2296, 2764, 2870, 3080, 3157, 3455, 3608, 4510, 4837, 5528, 5740, 6314, 6910, 7601, 9020, 9674, 11480, 12628, 13820, 15202, 15785, 18040, 19348, 24185, 25256, 27640, 28331, 30404, 31570, 38005, 38696, 48370, 53207, 56662, 60808, 63140, 76010, 96740, 106414, 113324, 126280, 141655, 152020, 193480, 198317, 212828, 226648, 266035, 283310, 304040, 311641, 396634, 425656, 532070, 566620, 623282, 793268, 991585, 1064140, 1133240, 1246564, 1558205, 1586536, 1983170, 2128280, 2181487, 2493128, 3116410, 3966340, 4362974, 6232820, 7932680, 8725948, 10907435, 12465640, 17451896, 21814870, 43629740, 87259480]

約数ペア:

[(1, 87259480), (2, 43629740), (4, 21814870), (5, 17451896), (7, 12465640), (8, 10907435), (10, 8725948), (11, 7932680), (14, 6232820), (20, 4362974), (22, 3966340), (28, 3116410), (35, 2493128), (40, 2181487), (41, 2128280), (44, 1983170), (55, 1586536), (56, 1558205), (70, 1246564), (77, 1133240), (82, 1064140), (88, 991585), (110, 793268), (140, 623282), (154, 566620), (164, 532070), (205, 425656), (220, 396634), (280, 311641), (287, 304040), (308, 283310), (328, 266035), (385, 226648), (410, 212828), (440, 198317), (451, 193480), (574, 152020), (616, 141655), (691, 126280), (770, 113324), (820, 106414), (902, 96740), (1148, 76010), (1382, 63140), (1435, 60808), (1540, 56662), (1640, 53207), (1804, 48370), (2255, 38696), (2296, 38005), (2764, 31570), (2870, 30404), (3080, 28331), (3157, 27640), (3455, 25256), (3608, 24185), (4510, 19348), (4837, 18040), (5528, 15785), (5740, 15202), (6314, 13820), (6910, 12628), (7601, 11480), (9020, 9674)]