281563128

素因数分解:

$2^3\times 3^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 384

約数和(自身を含む): 1046976000

約数和(自身を除く): 765412872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 22, 24, 27, 28, 33, 36, 38, 42, 44, 54, 56, 57, 63, 66, 72, 76, 77, 81, 84, 88, 99, 108, 114, 121, 126, 132, 133, 152, 154, 162, 168, 171, 189, 198, 209, 216, 228, 231, 242, 243, 252, 264, 266, 297, 308, 324, 342, 363, 378, 396, 399, 418, 456, 462, 484, 486, 504, 513, 532, 567, 594, 616, 627, 648, 684, 693, 726, 729, 756, 792, 798, 836, 847, 891, 924, 968, 972, 1026, 1064, 1089, 1134, 1188, 1197, 1254, 1368, 1386, 1452, 1458, 1463, 1512, 1539, 1596, 1672, 1694, 1701, 1782, 1848, 1881, 1944, 2052, 2079, 2178, 2187, 2268, 2299, 2376, 2394, 2508, 2541, 2673, 2772, 2904, 2916, 2926, 3078, 3192, 3267, 3388, 3402, 3564, 3591, 3762, 4104, 4158, 4356, 4374, 4389, 4536, 4598, 4617, 4788, 5016, 5082, 5103, 5346, 5544, 5643, 5832, 5852, 6156, 6237, 6534, 6776, 6804, 6897, 7128, 7182, 7524, 7623, 8019, 8316, 8712, 8748, 8778, 9196, 9234, 9576, 9801, 10164, 10206, 10692, 10773, 11286, 11704, 12312, 12474, 13068, 13167, 13608, 13794, 13851, 14364, 15048, 15246, 15309, 16038, 16093, 16632, 16929, 17496, 17556, 18392, 18468, 18711, 19602, 20328, 20412, 20691, 21384, 21546, 22572, 22869, 24057, 24948, 26136, 26334, 27588, 27702, 28728, 29403, 30492, 30618, 32076, 32186, 32319, 33858, 35112, 36936, 37422, 39204, 39501, 40824, 41382, 41553, 43092, 45144, 45738, 48114, 48279, 49896, 50787, 52668, 55176, 55404, 56133, 58806, 60984, 61236, 62073, 64152, 64372, 64638, 67716, 68607, 74844, 78408, 79002, 82764, 83106, 86184, 88209, 91476, 96228, 96558, 96957, 101574, 105336, 110808, 112266, 117612, 118503, 122472, 124146, 128744, 129276, 135432, 137214, 144837, 149688, 152361, 158004, 165528, 166212, 168399, 176418, 182952, 186219, 192456, 193116, 193914, 203148, 205821, 224532, 235224, 237006, 248292, 258552, 264627, 274428, 289674, 290871, 304722, 316008, 332424, 336798, 352836, 355509, 372438, 386232, 387828, 406296, 411642, 434511, 449064, 457083, 474012, 496584, 529254, 548856, 558657, 579348, 581742, 609444, 617463, 673596, 705672, 711018, 744876, 775656, 823284, 869022, 914166, 948024, 1058508, 1066527, 1117314, 1158696, 1163484, 1218888, 1234926, 1303533, 1347192, 1422036, 1489752, 1646568, 1675971, 1738044, 1828332, 1852389, 2117016, 2133054, 2234628, 2326968, 2469852, 2607066, 2844072, 3199581, 3351942, 3476088, 3656664, 3704778, 3910599, 4266108, 4469256, 4939704, 5027913, 5214132, 6399162, 6703884, 7409556, 7821198, 8532216, 10055826, 10428264, 11731797, 12798324, 13407768, 14819112, 15642396, 20111652, 23463594, 25596648, 31284792, 35195391, 40223304, 46927188, 70390782, 93854376, 140781564, 281563128]

約数ペア:

[(1, 281563128), (2, 140781564), (3, 93854376), (4, 70390782), (6, 46927188), (7, 40223304), (8, 35195391), (9, 31284792), (11, 25596648), (12, 23463594), (14, 20111652), (18, 15642396), (19, 14819112), (21, 13407768), (22, 12798324), (24, 11731797), (27, 10428264), (28, 10055826), (33, 8532216), (36, 7821198), (38, 7409556), (42, 6703884), (44, 6399162), (54, 5214132), (56, 5027913), (57, 4939704), (63, 4469256), (66, 4266108), (72, 3910599), (76, 3704778), (77, 3656664), (81, 3476088), (84, 3351942), (88, 3199581), (99, 2844072), (108, 2607066), (114, 2469852), (121, 2326968), (126, 2234628), (132, 2133054), (133, 2117016), (152, 1852389), (154, 1828332), (162, 1738044), (168, 1675971), (171, 1646568), (189, 1489752), (198, 1422036), (209, 1347192), (216, 1303533), (228, 1234926), (231, 1218888), (242, 1163484), (243, 1158696), (252, 1117314), (264, 1066527), (266, 1058508), (297, 948024), (308, 914166), (324, 869022), (342, 823284), (363, 775656), (378, 744876), (396, 711018), (399, 705672), (418, 673596), (456, 617463), (462, 609444), (484, 581742), (486, 579348), (504, 558657), (513, 548856), (532, 529254), (567, 496584), (594, 474012), (616, 457083), (627, 449064), (648, 434511), (684, 411642), (693, 406296), (726, 387828), (729, 386232), (756, 372438), (792, 355509), (798, 352836), (836, 336798), (847, 332424), (891, 316008), (924, 304722), (968, 290871), (972, 289674), (1026, 274428), (1064, 264627), (1089, 258552), (1134, 248292), (1188, 237006), (1197, 235224), (1254, 224532), (1368, 205821), (1386, 203148), (1452, 193914), (1458, 193116), (1463, 192456), (1512, 186219), (1539, 182952), (1596, 176418), (1672, 168399), (1694, 166212), (1701, 165528), (1782, 158004), (1848, 152361), (1881, 149688), (1944, 144837), (2052, 137214), (2079, 135432), (2178, 129276), (2187, 128744), (2268, 124146), (2299, 122472), (2376, 118503), (2394, 117612), (2508, 112266), (2541, 110808), (2673, 105336), (2772, 101574), (2904, 96957), (2916, 96558), (2926, 96228), (3078, 91476), (3192, 88209), (3267, 86184), (3388, 83106), (3402, 82764), (3564, 79002), (3591, 78408), (3762, 74844), (4104, 68607), (4158, 67716), (4356, 64638), (4374, 64372), (4389, 64152), (4536, 62073), (4598, 61236), (4617, 60984), (4788, 58806), (5016, 56133), (5082, 55404), (5103, 55176), (5346, 52668), (5544, 50787), (5643, 49896), (5832, 48279), (5852, 48114), (6156, 45738), (6237, 45144), (6534, 43092), (6776, 41553), (6804, 41382), (6897, 40824), (7128, 39501), (7182, 39204), (7524, 37422), (7623, 36936), (8019, 35112), (8316, 33858), (8712, 32319), (8748, 32186), (8778, 32076), (9196, 30618), (9234, 30492), (9576, 29403), (9801, 28728), (10164, 27702), (10206, 27588), (10692, 26334), (10773, 26136), (11286, 24948), (11704, 24057), (12312, 22869), (12474, 22572), (13068, 21546), (13167, 21384), (13608, 20691), (13794, 20412), (13851, 20328), (14364, 19602), (15048, 18711), (15246, 18468), (15309, 18392), (16038, 17556), (16093, 17496), (16632, 16929)]