307508320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 144

約数和(自身を含む): 860288688

約数和(自身を除く): 552780368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 643, 784, 854, 976, 980, 1120, 1220, 1286, 1568, 1708, 1952, 1960, 2135, 2440, 2572, 2989, 3215, 3416, 3920, 4270, 4501, 4880, 5144, 5978, 6430, 6832, 7840, 8540, 9002, 9760, 10288, 11956, 12860, 13664, 14945, 17080, 18004, 20576, 22505, 23912, 25720, 29890, 31507, 34160, 36008, 39223, 45010, 47824, 51440, 59780, 63014, 68320, 72016, 78446, 90020, 95648, 102880, 119560, 126028, 144032, 156892, 157535, 180040, 196115, 239120, 252056, 274561, 313784, 315070, 360080, 392230, 478240, 504112, 549122, 627568, 630140, 720160, 784460, 1008224, 1098244, 1255136, 1260280, 1372805, 1568920, 1921927, 2196488, 2520560, 2745610, 3137840, 3843854, 4392976, 5041120, 5491220, 6275680, 7687708, 8785952, 9609635, 10982440, 15375416, 19219270, 21964880, 30750832, 38438540, 43929760, 61501664, 76877080, 153754160, 307508320]

約数ペア:

[(1, 307508320), (2, 153754160), (4, 76877080), (5, 61501664), (7, 43929760), (8, 38438540), (10, 30750832), (14, 21964880), (16, 19219270), (20, 15375416), (28, 10982440), (32, 9609635), (35, 8785952), (40, 7687708), (49, 6275680), (56, 5491220), (61, 5041120), (70, 4392976), (80, 3843854), (98, 3137840), (112, 2745610), (122, 2520560), (140, 2196488), (160, 1921927), (196, 1568920), (224, 1372805), (244, 1260280), (245, 1255136), (280, 1098244), (305, 1008224), (392, 784460), (427, 720160), (488, 630140), (490, 627568), (560, 549122), (610, 504112), (643, 478240), (784, 392230), (854, 360080), (976, 315070), (980, 313784), (1120, 274561), (1220, 252056), (1286, 239120), (1568, 196115), (1708, 180040), (1952, 157535), (1960, 156892), (2135, 144032), (2440, 126028), (2572, 119560), (2989, 102880), (3215, 95648), (3416, 90020), (3920, 78446), (4270, 72016), (4501, 68320), (4880, 63014), (5144, 59780), (5978, 51440), (6430, 47824), (6832, 45010), (7840, 39223), (8540, 36008), (9002, 34160), (9760, 31507), (10288, 29890), (11956, 25720), (12860, 23912), (13664, 22505), (14945, 20576), (17080, 18004)]