240076480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 678612816

約数和(自身を除く): 438536336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 251, 280, 305, 320, 392, 427, 448, 488, 490, 502, 560, 610, 784, 854, 976, 980, 1004, 1120, 1220, 1255, 1568, 1708, 1757, 1952, 1960, 2008, 2135, 2240, 2440, 2510, 2989, 3136, 3416, 3514, 3904, 3920, 4016, 4270, 4880, 5020, 5978, 6832, 7028, 7840, 8032, 8540, 8785, 9760, 10040, 11956, 12299, 13664, 14056, 14945, 15311, 15680, 16064, 17080, 17570, 19520, 20080, 23912, 24598, 27328, 28112, 29890, 30622, 34160, 35140, 40160, 47824, 49196, 56224, 59780, 61244, 61495, 68320, 70280, 76555, 80320, 95648, 98392, 107177, 112448, 119560, 122488, 122990, 136640, 140560, 153110, 191296, 196784, 214354, 239120, 244976, 245980, 281120, 306220, 393568, 428708, 478240, 489952, 491960, 535885, 562240, 612440, 750239, 787136, 857416, 956480, 979904, 983920, 1071770, 1224880, 1500478, 1714832, 1967840, 2143540, 2449760, 3000956, 3429664, 3751195, 3935680, 4287080, 4899520, 6001912, 6859328, 7502390, 8574160, 12003824, 15004780, 17148320, 24007648, 30009560, 34296640, 48015296, 60019120, 120038240, 240076480]

約数ペア:

[(1, 240076480), (2, 120038240), (4, 60019120), (5, 48015296), (7, 34296640), (8, 30009560), (10, 24007648), (14, 17148320), (16, 15004780), (20, 12003824), (28, 8574160), (32, 7502390), (35, 6859328), (40, 6001912), (49, 4899520), (56, 4287080), (61, 3935680), (64, 3751195), (70, 3429664), (80, 3000956), (98, 2449760), (112, 2143540), (122, 1967840), (140, 1714832), (160, 1500478), (196, 1224880), (224, 1071770), (244, 983920), (245, 979904), (251, 956480), (280, 857416), (305, 787136), (320, 750239), (392, 612440), (427, 562240), (448, 535885), (488, 491960), (490, 489952), (502, 478240), (560, 428708), (610, 393568), (784, 306220), (854, 281120), (976, 245980), (980, 244976), (1004, 239120), (1120, 214354), (1220, 196784), (1255, 191296), (1568, 153110), (1708, 140560), (1757, 136640), (1952, 122990), (1960, 122488), (2008, 119560), (2135, 112448), (2240, 107177), (2440, 98392), (2510, 95648), (2989, 80320), (3136, 76555), (3416, 70280), (3514, 68320), (3904, 61495), (3920, 61244), (4016, 59780), (4270, 56224), (4880, 49196), (5020, 47824), (5978, 40160), (6832, 35140), (7028, 34160), (7840, 30622), (8032, 29890), (8540, 28112), (8785, 27328), (9760, 24598), (10040, 23912), (11956, 20080), (12299, 19520), (13664, 17570), (14056, 17080), (14945, 16064), (15311, 15680)]