261517872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 849231360

約数和(自身を除く): 587713488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 173, 176, 231, 264, 308, 336, 346, 409, 462, 519, 528, 616, 692, 818, 924, 1038, 1211, 1227, 1232, 1384, 1636, 1848, 1903, 2076, 2422, 2454, 2768, 2863, 3272, 3633, 3696, 3806, 4152, 4499, 4844, 4908, 5709, 5726, 6544, 7266, 7612, 8304, 8589, 8998, 9688, 9816, 11418, 11452, 13321, 13497, 14532, 15224, 17178, 17996, 19376, 19632, 22836, 22904, 26642, 26994, 29064, 30448, 31493, 34356, 35992, 39963, 45672, 45808, 53284, 53988, 58128, 62986, 68712, 70757, 71984, 79926, 91344, 94479, 106568, 107976, 125972, 137424, 141514, 159852, 188958, 212271, 213136, 215952, 251944, 283028, 319704, 377916, 424542, 495299, 503888, 566056, 639408, 755832, 778327, 849084, 990598, 1132112, 1485897, 1511664, 1556654, 1698168, 1981196, 2334981, 2971794, 3113308, 3396336, 3962392, 4669962, 5448289, 5943588, 6226616, 7924784, 9339924, 10896578, 11887176, 12453232, 16344867, 18679848, 21793156, 23774352, 32689734, 37359696, 43586312, 65379468, 87172624, 130758936, 261517872]

約数ペア:

[(1, 261517872), (2, 130758936), (3, 87172624), (4, 65379468), (6, 43586312), (7, 37359696), (8, 32689734), (11, 23774352), (12, 21793156), (14, 18679848), (16, 16344867), (21, 12453232), (22, 11887176), (24, 10896578), (28, 9339924), (33, 7924784), (42, 6226616), (44, 5943588), (48, 5448289), (56, 4669962), (66, 3962392), (77, 3396336), (84, 3113308), (88, 2971794), (112, 2334981), (132, 1981196), (154, 1698168), (168, 1556654), (173, 1511664), (176, 1485897), (231, 1132112), (264, 990598), (308, 849084), (336, 778327), (346, 755832), (409, 639408), (462, 566056), (519, 503888), (528, 495299), (616, 424542), (692, 377916), (818, 319704), (924, 283028), (1038, 251944), (1211, 215952), (1227, 213136), (1232, 212271), (1384, 188958), (1636, 159852), (1848, 141514), (1903, 137424), (2076, 125972), (2422, 107976), (2454, 106568), (2768, 94479), (2863, 91344), (3272, 79926), (3633, 71984), (3696, 70757), (3806, 68712), (4152, 62986), (4499, 58128), (4844, 53988), (4908, 53284), (5709, 45808), (5726, 45672), (6544, 39963), (7266, 35992), (7612, 34356), (8304, 31493), (8589, 30448), (8998, 29064), (9688, 26994), (9816, 26642), (11418, 22904), (11452, 22836), (13321, 19632), (13497, 19376), (14532, 17996), (15224, 17178)]