320745348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 1040277056

約数和(自身を除く): 719531708

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 67, 77, 84, 99, 121, 126, 132, 134, 154, 157, 198, 201, 231, 242, 252, 268, 308, 314, 363, 396, 402, 462, 469, 471, 484, 603, 628, 693, 726, 737, 804, 847, 924, 938, 942, 1089, 1099, 1206, 1386, 1407, 1413, 1452, 1474, 1694, 1727, 1876, 1884, 2178, 2198, 2211, 2412, 2541, 2772, 2814, 2826, 2948, 3297, 3388, 3454, 4221, 4356, 4396, 4422, 5082, 5159, 5181, 5628, 5652, 6594, 6633, 6908, 7623, 8107, 8442, 8844, 9891, 10164, 10318, 10362, 10519, 12089, 13188, 13266, 15246, 15477, 15543, 16214, 16884, 18997, 19782, 20636, 20724, 21038, 24178, 24321, 26532, 30492, 30954, 31086, 31557, 32428, 36267, 37994, 39564, 42076, 46431, 48356, 48642, 56749, 56991, 61908, 62172, 63114, 72534, 72963, 73633, 75988, 92862, 94671, 97284, 108801, 113498, 113982, 115709, 126228, 132979, 145068, 145926, 147266, 170247, 170973, 185724, 189342, 217602, 220899, 226996, 227964, 231418, 265958, 291852, 294532, 340494, 341946, 347127, 378684, 398937, 435204, 441798, 462836, 510741, 531916, 662697, 680988, 683892, 694254, 797874, 809963, 883596, 1021482, 1041381, 1196811, 1272799, 1325394, 1388508, 1595748, 1619926, 2042964, 2082762, 2393622, 2429889, 2545598, 2650788, 3239852, 3818397, 4165524, 4787244, 4859778, 5091196, 7289667, 7636794, 8909593, 9719556, 11455191, 14579334, 15273588, 17819186, 22910382, 26728779, 29158668, 35638372, 45820764, 53457558, 80186337, 106915116, 160372674, 320745348]

約数ペア:

[(1, 320745348), (2, 160372674), (3, 106915116), (4, 80186337), (6, 53457558), (7, 45820764), (9, 35638372), (11, 29158668), (12, 26728779), (14, 22910382), (18, 17819186), (21, 15273588), (22, 14579334), (28, 11455191), (33, 9719556), (36, 8909593), (42, 7636794), (44, 7289667), (63, 5091196), (66, 4859778), (67, 4787244), (77, 4165524), (84, 3818397), (99, 3239852), (121, 2650788), (126, 2545598), (132, 2429889), (134, 2393622), (154, 2082762), (157, 2042964), (198, 1619926), (201, 1595748), (231, 1388508), (242, 1325394), (252, 1272799), (268, 1196811), (308, 1041381), (314, 1021482), (363, 883596), (396, 809963), (402, 797874), (462, 694254), (469, 683892), (471, 680988), (484, 662697), (603, 531916), (628, 510741), (693, 462836), (726, 441798), (737, 435204), (804, 398937), (847, 378684), (924, 347127), (938, 341946), (942, 340494), (1089, 294532), (1099, 291852), (1206, 265958), (1386, 231418), (1407, 227964), (1413, 226996), (1452, 220899), (1474, 217602), (1694, 189342), (1727, 185724), (1876, 170973), (1884, 170247), (2178, 147266), (2198, 145926), (2211, 145068), (2412, 132979), (2541, 126228), (2772, 115709), (2814, 113982), (2826, 113498), (2948, 108801), (3297, 97284), (3388, 94671), (3454, 92862), (4221, 75988), (4356, 73633), (4396, 72963), (4422, 72534), (5082, 63114), (5159, 62172), (5181, 61908), (5628, 56991), (5652, 56749), (6594, 48642), (6633, 48356), (6908, 46431), (7623, 42076), (8107, 39564), (8442, 37994), (8844, 36267), (9891, 32428), (10164, 31557), (10318, 31086), (10362, 30954), (10519, 30492), (12089, 26532), (13188, 24321), (13266, 24178), (15246, 21038), (15477, 20724), (15543, 20636), (16214, 19782), (16884, 18997)]