681623856

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^2\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 120

約数和(自身を含む): 1990797680

約数和(自身を除く): 1309173824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 313, 426, 432, 568, 626, 639, 852, 939, 1136, 1252, 1278, 1704, 1878, 1917, 2504, 2556, 2817, 3408, 3756, 3834, 5008, 5041, 5112, 5634, 7512, 7668, 8451, 10082, 10224, 11268, 15024, 15123, 15336, 16902, 20164, 22223, 22536, 30246, 30672, 33804, 40328, 44446, 45072, 45369, 60492, 66669, 67608, 80656, 88892, 90738, 120984, 133338, 135216, 136107, 177784, 181476, 200007, 241968, 266676, 272214, 355568, 362952, 400014, 533352, 544428, 600021, 725904, 800028, 1066704, 1088856, 1200042, 1577833, 1600056, 2177712, 2400084, 3155666, 3200112, 4733499, 4800168, 6311332, 9466998, 9600336, 12622664, 14200497, 18933996, 25245328, 28400994, 37867992, 42601491, 56801988, 75735984, 85202982, 113603976, 170405964, 227207952, 340811928, 681623856]

約数ペア:

[(1, 681623856), (2, 340811928), (3, 227207952), (4, 170405964), (6, 113603976), (8, 85202982), (9, 75735984), (12, 56801988), (16, 42601491), (18, 37867992), (24, 28400994), (27, 25245328), (36, 18933996), (48, 14200497), (54, 12622664), (71, 9600336), (72, 9466998), (108, 6311332), (142, 4800168), (144, 4733499), (213, 3200112), (216, 3155666), (284, 2400084), (313, 2177712), (426, 1600056), (432, 1577833), (568, 1200042), (626, 1088856), (639, 1066704), (852, 800028), (939, 725904), (1136, 600021), (1252, 544428), (1278, 533352), (1704, 400014), (1878, 362952), (1917, 355568), (2504, 272214), (2556, 266676), (2817, 241968), (3408, 200007), (3756, 181476), (3834, 177784), (5008, 136107), (5041, 135216), (5112, 133338), (5634, 120984), (7512, 90738), (7668, 88892), (8451, 80656), (10082, 67608), (10224, 66669), (11268, 60492), (15024, 45369), (15123, 45072), (15336, 44446), (16902, 40328), (20164, 33804), (22223, 30672), (22536, 30246)]