638918928

素因数分解:

$2^4\times 3^7\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 2019364800

約数和(自身を除く): 1380445872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 36, 38, 48, 54, 57, 62, 72, 76, 81, 93, 108, 114, 124, 144, 152, 162, 171, 186, 216, 228, 243, 248, 279, 304, 324, 342, 372, 432, 456, 486, 496, 513, 558, 589, 648, 684, 729, 744, 837, 912, 961, 972, 1026, 1116, 1178, 1296, 1368, 1458, 1488, 1539, 1674, 1767, 1922, 1944, 2052, 2187, 2232, 2356, 2511, 2736, 2883, 2916, 3078, 3348, 3534, 3844, 3888, 4104, 4374, 4464, 4617, 4712, 5022, 5301, 5766, 5832, 6156, 6696, 7068, 7533, 7688, 8208, 8649, 8748, 9234, 9424, 10044, 10602, 11532, 11664, 12312, 13392, 13851, 14136, 15066, 15376, 15903, 17298, 17496, 18259, 18468, 20088, 21204, 22599, 23064, 24624, 25947, 27702, 28272, 30132, 31806, 34596, 34992, 36518, 36936, 40176, 41553, 42408, 45198, 46128, 47709, 51894, 54777, 55404, 60264, 63612, 67797, 69192, 73036, 73872, 77841, 83106, 84816, 90396, 95418, 103788, 109554, 110808, 120528, 127224, 135594, 138384, 143127, 146072, 155682, 164331, 166212, 180792, 190836, 207576, 219108, 221616, 233523, 254448, 271188, 286254, 292144, 311364, 328662, 332424, 361584, 381672, 415152, 429381, 438216, 467046, 492993, 542376, 572508, 622728, 657324, 664848, 700569, 763344, 858762, 876432, 934092, 985986, 1084752, 1145016, 1245456, 1288143, 1314648, 1401138, 1478979, 1717524, 1868184, 1971972, 2101707, 2290032, 2576286, 2629296, 2802276, 2957958, 3435048, 3736368, 3943944, 4203414, 4436937, 5152572, 5604552, 5915916, 6870096, 7887888, 8406828, 8873874, 10305144, 11209104, 11831832, 13310811, 16813656, 17747748, 20610288, 23663664, 26621622, 33627312, 35495496, 39932433, 53243244, 70990992, 79864866, 106486488, 159729732, 212972976, 319459464, 638918928]

約数ペア:

[(1, 638918928), (2, 319459464), (3, 212972976), (4, 159729732), (6, 106486488), (8, 79864866), (9, 70990992), (12, 53243244), (16, 39932433), (18, 35495496), (19, 33627312), (24, 26621622), (27, 23663664), (31, 20610288), (36, 17747748), (38, 16813656), (48, 13310811), (54, 11831832), (57, 11209104), (62, 10305144), (72, 8873874), (76, 8406828), (81, 7887888), (93, 6870096), (108, 5915916), (114, 5604552), (124, 5152572), (144, 4436937), (152, 4203414), (162, 3943944), (171, 3736368), (186, 3435048), (216, 2957958), (228, 2802276), (243, 2629296), (248, 2576286), (279, 2290032), (304, 2101707), (324, 1971972), (342, 1868184), (372, 1717524), (432, 1478979), (456, 1401138), (486, 1314648), (496, 1288143), (513, 1245456), (558, 1145016), (589, 1084752), (648, 985986), (684, 934092), (729, 876432), (744, 858762), (837, 763344), (912, 700569), (961, 664848), (972, 657324), (1026, 622728), (1116, 572508), (1178, 542376), (1296, 492993), (1368, 467046), (1458, 438216), (1488, 429381), (1539, 415152), (1674, 381672), (1767, 361584), (1922, 332424), (1944, 328662), (2052, 311364), (2187, 292144), (2232, 286254), (2356, 271188), (2511, 254448), (2736, 233523), (2883, 221616), (2916, 219108), (3078, 207576), (3348, 190836), (3534, 180792), (3844, 166212), (3888, 164331), (4104, 155682), (4374, 146072), (4464, 143127), (4617, 138384), (4712, 135594), (5022, 127224), (5301, 120528), (5766, 110808), (5832, 109554), (6156, 103788), (6696, 95418), (7068, 90396), (7533, 84816), (7688, 83106), (8208, 77841), (8649, 73872), (8748, 73036), (9234, 69192), (9424, 67797), (10044, 63612), (10602, 60264), (11532, 55404), (11664, 54777), (12312, 51894), (13392, 47709), (13851, 46128), (14136, 45198), (15066, 42408), (15376, 41553), (15903, 40176), (17298, 36936), (17496, 36518), (18259, 34992), (18468, 34596), (20088, 31806), (21204, 30132), (22599, 28272), (23064, 27702), (24624, 25947)]