305979520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 192

約数和(自身を含む): 929309760

約数和(自身を除く): 623330240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 640, 704, 770, 784, 880, 887, 896, 980, 1078, 1120, 1232, 1408, 1540, 1568, 1760, 1774, 1960, 2156, 2240, 2464, 2695, 3080, 3136, 3520, 3548, 3920, 4312, 4435, 4480, 4928, 5390, 6160, 6209, 6272, 7040, 7096, 7840, 8624, 8870, 9757, 9856, 10780, 12320, 12418, 14192, 15680, 17248, 17740, 19514, 21560, 24640, 24836, 28384, 31045, 31360, 34496, 35480, 39028, 43120, 43463, 48785, 49280, 49672, 56768, 62090, 68299, 68992, 70960, 78056, 86240, 86926, 97570, 99344, 113536, 124180, 136598, 141920, 156112, 172480, 173852, 195140, 198688, 217315, 248360, 273196, 283840, 312224, 341495, 344960, 347704, 390280, 397376, 434630, 478093, 496720, 546392, 567680, 624448, 682990, 695408, 780560, 794752, 869260, 956186, 993440, 1092784, 1248896, 1365980, 1390816, 1561120, 1738520, 1912372, 1986880, 2185568, 2390465, 2731960, 2781632, 3122240, 3477040, 3824744, 3973760, 4371136, 4780930, 5463920, 5563264, 6244480, 6954080, 7649488, 8742272, 9561860, 10927840, 13908160, 15298976, 19123720, 21855680, 27816320, 30597952, 38247440, 43711360, 61195904, 76494880, 152989760, 305979520]

約数ペア:

[(1, 305979520), (2, 152989760), (4, 76494880), (5, 61195904), (7, 43711360), (8, 38247440), (10, 30597952), (11, 27816320), (14, 21855680), (16, 19123720), (20, 15298976), (22, 13908160), (28, 10927840), (32, 9561860), (35, 8742272), (40, 7649488), (44, 6954080), (49, 6244480), (55, 5563264), (56, 5463920), (64, 4780930), (70, 4371136), (77, 3973760), (80, 3824744), (88, 3477040), (98, 3122240), (110, 2781632), (112, 2731960), (128, 2390465), (140, 2185568), (154, 1986880), (160, 1912372), (176, 1738520), (196, 1561120), (220, 1390816), (224, 1365980), (245, 1248896), (280, 1092784), (308, 993440), (320, 956186), (352, 869260), (385, 794752), (392, 780560), (440, 695408), (448, 682990), (490, 624448), (539, 567680), (560, 546392), (616, 496720), (640, 478093), (704, 434630), (770, 397376), (784, 390280), (880, 347704), (887, 344960), (896, 341495), (980, 312224), (1078, 283840), (1120, 273196), (1232, 248360), (1408, 217315), (1540, 198688), (1568, 195140), (1760, 173852), (1774, 172480), (1960, 156112), (2156, 141920), (2240, 136598), (2464, 124180), (2695, 113536), (3080, 99344), (3136, 97570), (3520, 86926), (3548, 86240), (3920, 78056), (4312, 70960), (4435, 68992), (4480, 68299), (4928, 62090), (5390, 56768), (6160, 49672), (6209, 49280), (6272, 48785), (7040, 43463), (7096, 43120), (7840, 39028), (8624, 35480), (8870, 34496), (9757, 31360), (9856, 31045), (10780, 28384), (12320, 24836), (12418, 24640), (14192, 21560), (15680, 19514), (17248, 17740)]