258939520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:415

約数の個数: 192

約数和(自身を含む): 753494400

約数和(自身を除く): 494554880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 359, 368, 392, 448, 460, 490, 560, 640, 644, 718, 736, 784, 805, 896, 920, 980, 1120, 1127, 1288, 1436, 1472, 1568, 1610, 1795, 1840, 1960, 2240, 2254, 2513, 2576, 2872, 2944, 3136, 3220, 3590, 3680, 3920, 4480, 4508, 5026, 5152, 5635, 5744, 6272, 6440, 7180, 7360, 7840, 8257, 9016, 10052, 10304, 11270, 11488, 12565, 12880, 14360, 14720, 15680, 16514, 17591, 18032, 20104, 20608, 22540, 22976, 25130, 25760, 28720, 31360, 33028, 35182, 36064, 40208, 41285, 45080, 45952, 50260, 51520, 57440, 57799, 66056, 70364, 72128, 80416, 82570, 87955, 90160, 100520, 103040, 114880, 115598, 132112, 140728, 144256, 160832, 165140, 175910, 180320, 201040, 229760, 231196, 264224, 281456, 288995, 321664, 330280, 351820, 360640, 402080, 404593, 462392, 528448, 562912, 577990, 660560, 703640, 721280, 804160, 809186, 924784, 1056896, 1125824, 1155980, 1321120, 1407280, 1608320, 1618372, 1849568, 2022965, 2251648, 2311960, 2642240, 2814560, 3236744, 3699136, 4045930, 4623920, 5284480, 5629120, 6473488, 7398272, 8091860, 9247840, 11258240, 12946976, 16183720, 18495680, 25893952, 32367440, 36991360, 51787904, 64734880, 129469760, 258939520]

約数ペア:

[(1, 258939520), (2, 129469760), (4, 64734880), (5, 51787904), (7, 36991360), (8, 32367440), (10, 25893952), (14, 18495680), (16, 16183720), (20, 12946976), (23, 11258240), (28, 9247840), (32, 8091860), (35, 7398272), (40, 6473488), (46, 5629120), (49, 5284480), (56, 4623920), (64, 4045930), (70, 3699136), (80, 3236744), (92, 2814560), (98, 2642240), (112, 2311960), (115, 2251648), (128, 2022965), (140, 1849568), (160, 1618372), (161, 1608320), (184, 1407280), (196, 1321120), (224, 1155980), (230, 1125824), (245, 1056896), (280, 924784), (320, 809186), (322, 804160), (359, 721280), (368, 703640), (392, 660560), (448, 577990), (460, 562912), (490, 528448), (560, 462392), (640, 404593), (644, 402080), (718, 360640), (736, 351820), (784, 330280), (805, 321664), (896, 288995), (920, 281456), (980, 264224), (1120, 231196), (1127, 229760), (1288, 201040), (1436, 180320), (1472, 175910), (1568, 165140), (1610, 160832), (1795, 144256), (1840, 140728), (1960, 132112), (2240, 115598), (2254, 114880), (2513, 103040), (2576, 100520), (2872, 90160), (2944, 87955), (3136, 82570), (3220, 80416), (3590, 72128), (3680, 70364), (3920, 66056), (4480, 57799), (4508, 57440), (5026, 51520), (5152, 50260), (5635, 45952), (5744, 45080), (6272, 41285), (6440, 40208), (7180, 36064), (7360, 35182), (7840, 33028), (8257, 31360), (9016, 28720), (10052, 25760), (10304, 25130), (11270, 22976), (11488, 22540), (12565, 20608), (12880, 20104), (14360, 18032), (14720, 17591), (15680, 16514)]