320281088

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1253

約数の個数: 80

約数和(自身を含む): 700026624

約数和(自身を除く): 379745536

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 992, 1054, 1088, 1187, 1984, 2108, 2176, 2374, 3968, 4216, 4352, 4748, 7936, 8432, 8704, 9496, 15872, 16864, 18992, 20179, 33728, 36797, 37984, 40358, 67456, 73594, 75968, 80716, 134912, 147188, 151936, 161432, 269824, 294376, 303872, 322864, 588752, 607744, 625549, 645728, 1177504, 1251098, 1291456, 2355008, 2502196, 2582912, 4710016, 5004392, 5165824, 9420032, 10008784, 10331648, 18840064, 20017568, 40035136, 80070272, 160140544, 320281088]

約数ペア:

[(1, 320281088), (2, 160140544), (4, 80070272), (8, 40035136), (16, 20017568), (17, 18840064), (31, 10331648), (32, 10008784), (34, 9420032), (62, 5165824), (64, 5004392), (68, 4710016), (124, 2582912), (128, 2502196), (136, 2355008), (248, 1291456), (256, 1251098), (272, 1177504), (496, 645728), (512, 625549), (527, 607744), (544, 588752), (992, 322864), (1054, 303872), (1088, 294376), (1187, 269824), (1984, 161432), (2108, 151936), (2176, 147188), (2374, 134912), (3968, 80716), (4216, 75968), (4352, 73594), (4748, 67456), (7936, 40358), (8432, 37984), (8704, 36797), (9496, 33728), (15872, 20179), (16864, 18992)]