280148220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 240

約数和(自身を含む): 975744000

約数和(自身を除く): 695595780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 79, 81, 90, 99, 108, 110, 132, 135, 158, 162, 165, 180, 198, 199, 220, 237, 270, 297, 316, 324, 330, 395, 396, 398, 405, 474, 495, 540, 594, 597, 660, 711, 790, 796, 810, 869, 891, 948, 990, 995, 1185, 1188, 1194, 1422, 1485, 1580, 1620, 1738, 1782, 1791, 1980, 1990, 2133, 2189, 2370, 2388, 2607, 2844, 2970, 2985, 3476, 3555, 3564, 3582, 3980, 4266, 4345, 4378, 4455, 4740, 5214, 5373, 5940, 5970, 6399, 6567, 7110, 7164, 7821, 8532, 8690, 8756, 8910, 8955, 10428, 10665, 10746, 10945, 11940, 12798, 13035, 13134, 14220, 15642, 15721, 16119, 17380, 17820, 17910, 19701, 21330, 21492, 21890, 23463, 25596, 26070, 26268, 26865, 31284, 31442, 31995, 32238, 32835, 35820, 39105, 39402, 42660, 43780, 46926, 47163, 52140, 53730, 59103, 62884, 63990, 64476, 65670, 70389, 78210, 78605, 78804, 80595, 93852, 94326, 98505, 107460, 117315, 118206, 127980, 131340, 140778, 141489, 156420, 157210, 161190, 172931, 177309, 188652, 197010, 234630, 235815, 236412, 281556, 282978, 295515, 314420, 322380, 345862, 351945, 354618, 394020, 424467, 469260, 471630, 518793, 565956, 591030, 691724, 703890, 707445, 709236, 848934, 864655, 886545, 943260, 1037586, 1182060, 1273401, 1407780, 1414890, 1556379, 1697868, 1729310, 1773090, 2075172, 2122335, 2546802, 2593965, 2829780, 3112758, 3458620, 3546180, 4244670, 4669137, 5093604, 5187930, 6225516, 6367005, 7781895, 8489340, 9338274, 10375860, 12734010, 14007411, 15563790, 18676548, 23345685, 25468020, 28014822, 31127580, 46691370, 56029644, 70037055, 93382740, 140074110, 280148220]

約数ペア:

[(1, 280148220), (2, 140074110), (3, 93382740), (4, 70037055), (5, 56029644), (6, 46691370), (9, 31127580), (10, 28014822), (11, 25468020), (12, 23345685), (15, 18676548), (18, 15563790), (20, 14007411), (22, 12734010), (27, 10375860), (30, 9338274), (33, 8489340), (36, 7781895), (44, 6367005), (45, 6225516), (54, 5187930), (55, 5093604), (60, 4669137), (66, 4244670), (79, 3546180), (81, 3458620), (90, 3112758), (99, 2829780), (108, 2593965), (110, 2546802), (132, 2122335), (135, 2075172), (158, 1773090), (162, 1729310), (165, 1697868), (180, 1556379), (198, 1414890), (199, 1407780), (220, 1273401), (237, 1182060), (270, 1037586), (297, 943260), (316, 886545), (324, 864655), (330, 848934), (395, 709236), (396, 707445), (398, 703890), (405, 691724), (474, 591030), (495, 565956), (540, 518793), (594, 471630), (597, 469260), (660, 424467), (711, 394020), (790, 354618), (796, 351945), (810, 345862), (869, 322380), (891, 314420), (948, 295515), (990, 282978), (995, 281556), (1185, 236412), (1188, 235815), (1194, 234630), (1422, 197010), (1485, 188652), (1580, 177309), (1620, 172931), (1738, 161190), (1782, 157210), (1791, 156420), (1980, 141489), (1990, 140778), (2133, 131340), (2189, 127980), (2370, 118206), (2388, 117315), (2607, 107460), (2844, 98505), (2970, 94326), (2985, 93852), (3476, 80595), (3555, 78804), (3564, 78605), (3582, 78210), (3980, 70389), (4266, 65670), (4345, 64476), (4378, 63990), (4455, 62884), (4740, 59103), (5214, 53730), (5373, 52140), (5940, 47163), (5970, 46926), (6399, 43780), (6567, 42660), (7110, 39402), (7164, 39105), (7821, 35820), (8532, 32835), (8690, 32238), (8756, 31995), (8910, 31442), (8955, 31284), (10428, 26865), (10665, 26268), (10746, 26070), (10945, 25596), (11940, 23463), (12798, 21890), (13035, 21492), (13134, 21330), (14220, 19701), (15642, 17910), (15721, 17820), (16119, 17380)]