81071928

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 264670560

約数和(自身を除く): 183598632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 81, 84, 108, 122, 126, 162, 168, 183, 189, 216, 244, 252, 293, 324, 366, 378, 427, 488, 504, 549, 567, 586, 648, 732, 756, 854, 879, 1098, 1134, 1172, 1281, 1464, 1512, 1647, 1708, 1758, 2051, 2196, 2268, 2344, 2562, 2637, 3294, 3416, 3516, 3843, 4102, 4392, 4536, 4941, 5124, 5274, 6153, 6588, 7032, 7686, 7911, 8204, 9882, 10248, 10548, 11529, 12306, 13176, 15372, 15822, 16408, 17873, 18459, 19764, 21096, 23058, 23733, 24612, 30744, 31644, 34587, 35746, 36918, 39528, 46116, 47466, 49224, 53619, 55377, 63288, 69174, 71492, 73836, 92232, 94932, 107238, 110754, 125111, 138348, 142984, 147672, 160857, 166131, 189864, 214476, 221508, 250222, 276696, 321714, 332262, 375333, 428952, 443016, 482571, 500444, 643428, 664524, 750666, 965142, 1000888, 1125999, 1286856, 1329048, 1447713, 1501332, 1930284, 2251998, 2895426, 3002664, 3377997, 3860568, 4503996, 5790852, 6755994, 9007992, 10133991, 11581704, 13511988, 20267982, 27023976, 40535964, 81071928]

約数ペア:

[(1, 81071928), (2, 40535964), (3, 27023976), (4, 20267982), (6, 13511988), (7, 11581704), (8, 10133991), (9, 9007992), (12, 6755994), (14, 5790852), (18, 4503996), (21, 3860568), (24, 3377997), (27, 3002664), (28, 2895426), (36, 2251998), (42, 1930284), (54, 1501332), (56, 1447713), (61, 1329048), (63, 1286856), (72, 1125999), (81, 1000888), (84, 965142), (108, 750666), (122, 664524), (126, 643428), (162, 500444), (168, 482571), (183, 443016), (189, 428952), (216, 375333), (244, 332262), (252, 321714), (293, 276696), (324, 250222), (366, 221508), (378, 214476), (427, 189864), (488, 166131), (504, 160857), (549, 147672), (567, 142984), (586, 138348), (648, 125111), (732, 110754), (756, 107238), (854, 94932), (879, 92232), (1098, 73836), (1134, 71492), (1172, 69174), (1281, 63288), (1464, 55377), (1512, 53619), (1647, 49224), (1708, 47466), (1758, 46116), (2051, 39528), (2196, 36918), (2268, 35746), (2344, 34587), (2562, 31644), (2637, 30744), (3294, 24612), (3416, 23733), (3516, 23058), (3843, 21096), (4102, 19764), (4392, 18459), (4536, 17873), (4941, 16408), (5124, 15822), (5274, 15372), (6153, 13176), (6588, 12306), (7032, 11529), (7686, 10548), (7911, 10248), (8204, 9882)]