640216224

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{10739}}^1$

素因数の和:10784

約数の個数: 120

約数和(自身を含む): 1964904480

約数和(自身を除く): 1324688256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 4968, 6624, 7452, 9936, 10739, 14904, 19872, 21478, 29808, 32217, 42956, 59616, 64434, 85912, 96651, 128868, 171824, 193302, 246997, 257736, 289953, 343648, 386604, 493994, 515472, 579906, 740991, 773208, 869859, 987988, 1030944, 1159812, 1481982, 1546416, 1739718, 1975976, 2222973, 2319624, 2963964, 3092832, 3479436, 3951952, 4445946, 4639248, 5927928, 6668919, 6958872, 7903904, 8891892, 9278496, 11855856, 13337838, 13917744, 17783784, 20006757, 23711712, 26675676, 27835488, 35567568, 40013514, 53351352, 71135136, 80027028, 106702704, 160054056, 213405408, 320108112, 640216224]

約数ペア:

[(1, 640216224), (2, 320108112), (3, 213405408), (4, 160054056), (6, 106702704), (8, 80027028), (9, 71135136), (12, 53351352), (16, 40013514), (18, 35567568), (23, 27835488), (24, 26675676), (27, 23711712), (32, 20006757), (36, 17783784), (46, 13917744), (48, 13337838), (54, 11855856), (69, 9278496), (72, 8891892), (81, 7903904), (92, 6958872), (96, 6668919), (108, 5927928), (138, 4639248), (144, 4445946), (162, 3951952), (184, 3479436), (207, 3092832), (216, 2963964), (276, 2319624), (288, 2222973), (324, 1975976), (368, 1739718), (414, 1546416), (432, 1481982), (552, 1159812), (621, 1030944), (648, 987988), (736, 869859), (828, 773208), (864, 740991), (1104, 579906), (1242, 515472), (1296, 493994), (1656, 386604), (1863, 343648), (2208, 289953), (2484, 257736), (2592, 246997), (3312, 193302), (3726, 171824), (4968, 128868), (6624, 96651), (7452, 85912), (9936, 64434), (10739, 59616), (14904, 42956), (19872, 32217), (21478, 29808)]