7461080440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1325

約数の個数: 128

約数和(自身を含む): 18667376640

約数和(自身を除く): 11206296200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 241, 284, 355, 440, 482, 568, 710, 781, 964, 991, 1205, 1420, 1562, 1928, 1982, 2410, 2651, 2840, 3124, 3905, 3964, 4820, 4955, 5302, 6248, 7810, 7928, 9640, 9910, 10604, 10901, 13255, 15620, 17111, 19820, 21208, 21802, 26510, 31240, 34222, 39640, 43604, 53020, 54505, 68444, 70361, 85555, 87208, 106040, 109010, 136888, 140722, 171110, 188221, 218020, 238831, 281444, 342220, 351805, 376442, 436040, 477662, 562888, 684440, 703610, 752884, 773971, 941105, 955324, 1194155, 1407220, 1505768, 1547942, 1882210, 1910648, 2388310, 2627141, 2814440, 3095884, 3764420, 3869855, 4776620, 5254282, 6191768, 7528840, 7739710, 9553240, 10508564, 13135705, 15479420, 16957001, 21017128, 26271410, 30958840, 33914002, 52542820, 67828004, 84785005, 105085640, 135656008, 169570010, 186527011, 339140020, 373054022, 678280040, 746108044, 932635055, 1492216088, 1865270110, 3730540220, 7461080440]

約数ペア:

[(1, 7461080440), (2, 3730540220), (4, 1865270110), (5, 1492216088), (8, 932635055), (10, 746108044), (11, 678280040), (20, 373054022), (22, 339140020), (40, 186527011), (44, 169570010), (55, 135656008), (71, 105085640), (88, 84785005), (110, 67828004), (142, 52542820), (220, 33914002), (241, 30958840), (284, 26271410), (355, 21017128), (440, 16957001), (482, 15479420), (568, 13135705), (710, 10508564), (781, 9553240), (964, 7739710), (991, 7528840), (1205, 6191768), (1420, 5254282), (1562, 4776620), (1928, 3869855), (1982, 3764420), (2410, 3095884), (2651, 2814440), (2840, 2627141), (3124, 2388310), (3905, 1910648), (3964, 1882210), (4820, 1547942), (4955, 1505768), (5302, 1407220), (6248, 1194155), (7810, 955324), (7928, 941105), (9640, 773971), (9910, 752884), (10604, 703610), (10901, 684440), (13255, 562888), (15620, 477662), (17111, 436040), (19820, 376442), (21208, 351805), (21802, 342220), (26510, 281444), (31240, 238831), (34222, 218020), (39640, 188221), (43604, 171110), (53020, 140722), (54505, 136888), (68444, 109010), (70361, 106040), (85555, 87208)]