248495280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 870777600

約数和(自身を除く): 622282320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 121, 129, 132, 165, 172, 176, 199, 215, 220, 240, 242, 258, 264, 330, 344, 363, 398, 430, 440, 473, 484, 516, 528, 597, 605, 645, 660, 688, 726, 796, 860, 880, 946, 968, 995, 1032, 1194, 1210, 1290, 1320, 1419, 1452, 1592, 1720, 1815, 1892, 1936, 1990, 2064, 2189, 2365, 2388, 2420, 2580, 2640, 2838, 2904, 2985, 3184, 3440, 3630, 3784, 3980, 4378, 4730, 4776, 4840, 5160, 5203, 5676, 5808, 5970, 6567, 7095, 7260, 7568, 7960, 8557, 8756, 9460, 9552, 9680, 10320, 10406, 10945, 11352, 11940, 13134, 14190, 14520, 15609, 15920, 17114, 17512, 18920, 20812, 21890, 22704, 23880, 24079, 25671, 26015, 26268, 28380, 29040, 31218, 32835, 34228, 35024, 37840, 41624, 42785, 43780, 47760, 48158, 51342, 52030, 52536, 56760, 62436, 65670, 68456, 72237, 78045, 83248, 85570, 87560, 94127, 96316, 102684, 104060, 105072, 113520, 120395, 124872, 128355, 131340, 136912, 144474, 156090, 171140, 175120, 188254, 192632, 205368, 208120, 240790, 249744, 256710, 262680, 282381, 288948, 312180, 342280, 361185, 376508, 385264, 410736, 416240, 470635, 481580, 513420, 525360, 564762, 577896, 624360, 684560, 722370, 753016, 941270, 963160, 1026840, 1035397, 1129524, 1155792, 1248720, 1411905, 1444740, 1506032, 1882540, 1926320, 2053680, 2070794, 2259048, 2823810, 2889480, 3106191, 3765080, 4141588, 4518096, 5176985, 5647620, 5778960, 6212382, 7530160, 8283176, 10353970, 11295240, 12424764, 15530955, 16566352, 20707940, 22590480, 24849528, 31061910, 41415880, 49699056, 62123820, 82831760, 124247640, 248495280]

約数ペア:

[(1, 248495280), (2, 124247640), (3, 82831760), (4, 62123820), (5, 49699056), (6, 41415880), (8, 31061910), (10, 24849528), (11, 22590480), (12, 20707940), (15, 16566352), (16, 15530955), (20, 12424764), (22, 11295240), (24, 10353970), (30, 8283176), (33, 7530160), (40, 6212382), (43, 5778960), (44, 5647620), (48, 5176985), (55, 4518096), (60, 4141588), (66, 3765080), (80, 3106191), (86, 2889480), (88, 2823810), (110, 2259048), (120, 2070794), (121, 2053680), (129, 1926320), (132, 1882540), (165, 1506032), (172, 1444740), (176, 1411905), (199, 1248720), (215, 1155792), (220, 1129524), (240, 1035397), (242, 1026840), (258, 963160), (264, 941270), (330, 753016), (344, 722370), (363, 684560), (398, 624360), (430, 577896), (440, 564762), (473, 525360), (484, 513420), (516, 481580), (528, 470635), (597, 416240), (605, 410736), (645, 385264), (660, 376508), (688, 361185), (726, 342280), (796, 312180), (860, 288948), (880, 282381), (946, 262680), (968, 256710), (995, 249744), (1032, 240790), (1194, 208120), (1210, 205368), (1290, 192632), (1320, 188254), (1419, 175120), (1452, 171140), (1592, 156090), (1720, 144474), (1815, 136912), (1892, 131340), (1936, 128355), (1990, 124872), (2064, 120395), (2189, 113520), (2365, 105072), (2388, 104060), (2420, 102684), (2580, 96316), (2640, 94127), (2838, 87560), (2904, 85570), (2985, 83248), (3184, 78045), (3440, 72237), (3630, 68456), (3784, 65670), (3980, 62436), (4378, 56760), (4730, 52536), (4776, 52030), (4840, 51342), (5160, 48158), (5203, 47760), (5676, 43780), (5808, 42785), (5970, 41624), (6567, 37840), (7095, 35024), (7260, 34228), (7568, 32835), (7960, 31218), (8557, 29040), (8756, 28380), (9460, 26268), (9552, 26015), (9680, 25671), (10320, 24079), (10406, 23880), (10945, 22704), (11352, 21890), (11940, 20812), (13134, 18920), (14190, 17512), (14520, 17114), (15609, 15920)]