305038720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 866518560

約数和(自身を除く): 561479840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 137, 140, 142, 160, 196, 224, 245, 274, 280, 284, 320, 355, 392, 448, 490, 497, 548, 560, 568, 640, 685, 710, 784, 896, 959, 980, 994, 1096, 1120, 1136, 1370, 1420, 1568, 1918, 1960, 1988, 2192, 2240, 2272, 2485, 2740, 2840, 3136, 3479, 3836, 3920, 3976, 4384, 4480, 4544, 4795, 4970, 5480, 5680, 6272, 6713, 6958, 7672, 7840, 7952, 8768, 9088, 9590, 9727, 9940, 10960, 11360, 13426, 13916, 15344, 15680, 15904, 17395, 17536, 19180, 19454, 19880, 21920, 22720, 26852, 27832, 30688, 31360, 31808, 33565, 34790, 38360, 38908, 39760, 43840, 45440, 48635, 53704, 55664, 61376, 63616, 67130, 68089, 69580, 76720, 77816, 79520, 87680, 97270, 107408, 111328, 122752, 134260, 136178, 139160, 153440, 155632, 159040, 194540, 214816, 222656, 268520, 272356, 278320, 306880, 311264, 318080, 340445, 389080, 429632, 445312, 476623, 537040, 544712, 556640, 613760, 622528, 680890, 778160, 859264, 953246, 1074080, 1089424, 1113280, 1245056, 1361780, 1556320, 1906492, 2148160, 2178848, 2226560, 2383115, 2723560, 3112640, 3812984, 4296320, 4357696, 4766230, 5447120, 6225280, 7625968, 8715392, 9532460, 10894240, 15251936, 19064920, 21788480, 30503872, 38129840, 43576960, 61007744, 76259680, 152519360, 305038720]

約数ペア:

[(1, 305038720), (2, 152519360), (4, 76259680), (5, 61007744), (7, 43576960), (8, 38129840), (10, 30503872), (14, 21788480), (16, 19064920), (20, 15251936), (28, 10894240), (32, 9532460), (35, 8715392), (40, 7625968), (49, 6225280), (56, 5447120), (64, 4766230), (70, 4357696), (71, 4296320), (80, 3812984), (98, 3112640), (112, 2723560), (128, 2383115), (137, 2226560), (140, 2178848), (142, 2148160), (160, 1906492), (196, 1556320), (224, 1361780), (245, 1245056), (274, 1113280), (280, 1089424), (284, 1074080), (320, 953246), (355, 859264), (392, 778160), (448, 680890), (490, 622528), (497, 613760), (548, 556640), (560, 544712), (568, 537040), (640, 476623), (685, 445312), (710, 429632), (784, 389080), (896, 340445), (959, 318080), (980, 311264), (994, 306880), (1096, 278320), (1120, 272356), (1136, 268520), (1370, 222656), (1420, 214816), (1568, 194540), (1918, 159040), (1960, 155632), (1988, 153440), (2192, 139160), (2240, 136178), (2272, 134260), (2485, 122752), (2740, 111328), (2840, 107408), (3136, 97270), (3479, 87680), (3836, 79520), (3920, 77816), (3976, 76720), (4384, 69580), (4480, 68089), (4544, 67130), (4795, 63616), (4970, 61376), (5480, 55664), (5680, 53704), (6272, 48635), (6713, 45440), (6958, 43840), (7672, 39760), (7840, 38908), (7952, 38360), (8768, 34790), (9088, 33565), (9590, 31808), (9727, 31360), (9940, 30688), (10960, 27832), (11360, 26852), (13426, 22720), (13916, 21920), (15344, 19880), (15680, 19454), (15904, 19180), (17395, 17536)]