82831760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 217694400

約数和(自身を除く): 134862640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 121, 172, 176, 199, 215, 220, 242, 344, 398, 430, 440, 473, 484, 605, 688, 796, 860, 880, 946, 968, 995, 1210, 1592, 1720, 1892, 1936, 1990, 2189, 2365, 2420, 3184, 3440, 3784, 3980, 4378, 4730, 4840, 5203, 7568, 7960, 8557, 8756, 9460, 9680, 10406, 10945, 15920, 17114, 17512, 18920, 20812, 21890, 24079, 26015, 34228, 35024, 37840, 41624, 42785, 43780, 48158, 52030, 68456, 83248, 85570, 87560, 94127, 96316, 104060, 120395, 136912, 171140, 175120, 188254, 192632, 208120, 240790, 342280, 376508, 385264, 416240, 470635, 481580, 684560, 753016, 941270, 963160, 1035397, 1506032, 1882540, 1926320, 2070794, 3765080, 4141588, 5176985, 7530160, 8283176, 10353970, 16566352, 20707940, 41415880, 82831760]

約数ペア:

[(1, 82831760), (2, 41415880), (4, 20707940), (5, 16566352), (8, 10353970), (10, 8283176), (11, 7530160), (16, 5176985), (20, 4141588), (22, 3765080), (40, 2070794), (43, 1926320), (44, 1882540), (55, 1506032), (80, 1035397), (86, 963160), (88, 941270), (110, 753016), (121, 684560), (172, 481580), (176, 470635), (199, 416240), (215, 385264), (220, 376508), (242, 342280), (344, 240790), (398, 208120), (430, 192632), (440, 188254), (473, 175120), (484, 171140), (605, 136912), (688, 120395), (796, 104060), (860, 96316), (880, 94127), (946, 87560), (968, 85570), (995, 83248), (1210, 68456), (1592, 52030), (1720, 48158), (1892, 43780), (1936, 42785), (1990, 41624), (2189, 37840), (2365, 35024), (2420, 34228), (3184, 26015), (3440, 24079), (3784, 21890), (3980, 20812), (4378, 18920), (4730, 17512), (4840, 17114), (5203, 15920), (7568, 10945), (7960, 10406), (8557, 9680), (8756, 9460)]