8555880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 27578880

約数和(自身を除く): 19023000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 47, 60, 74, 82, 94, 111, 120, 123, 141, 148, 164, 185, 188, 205, 222, 235, 246, 282, 296, 328, 370, 376, 410, 444, 470, 492, 555, 564, 615, 705, 740, 820, 888, 940, 984, 1110, 1128, 1230, 1410, 1480, 1517, 1640, 1739, 1880, 1927, 2220, 2460, 2820, 3034, 3478, 3854, 4440, 4551, 4920, 5217, 5640, 5781, 6068, 6956, 7585, 7708, 8695, 9102, 9635, 10434, 11562, 12136, 13912, 15170, 15416, 17390, 18204, 19270, 20868, 22755, 23124, 26085, 28905, 30340, 34780, 36408, 38540, 41736, 45510, 46248, 52170, 57810, 60680, 69560, 71299, 77080, 91020, 104340, 115620, 142598, 182040, 208680, 213897, 231240, 285196, 356495, 427794, 570392, 712990, 855588, 1069485, 1425980, 1711176, 2138970, 2851960, 4277940, 8555880]

約数ペア:

[(1, 8555880), (2, 4277940), (3, 2851960), (4, 2138970), (5, 1711176), (6, 1425980), (8, 1069485), (10, 855588), (12, 712990), (15, 570392), (20, 427794), (24, 356495), (30, 285196), (37, 231240), (40, 213897), (41, 208680), (47, 182040), (60, 142598), (74, 115620), (82, 104340), (94, 91020), (111, 77080), (120, 71299), (123, 69560), (141, 60680), (148, 57810), (164, 52170), (185, 46248), (188, 45510), (205, 41736), (222, 38540), (235, 36408), (246, 34780), (282, 30340), (296, 28905), (328, 26085), (370, 23124), (376, 22755), (410, 20868), (444, 19270), (470, 18204), (492, 17390), (555, 15416), (564, 15170), (615, 13912), (705, 12136), (740, 11562), (820, 10434), (888, 9635), (940, 9102), (984, 8695), (1110, 7708), (1128, 7585), (1230, 6956), (1410, 6068), (1480, 5781), (1517, 5640), (1640, 5217), (1739, 4920), (1880, 4551), (1927, 4440), (2220, 3854), (2460, 3478), (2820, 3034)]