1396264960

素因数分解:

$2^{12}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:971

約数の個数: 104

約数和(自身を含む): 3396971520

約数和(自身を除く): 2000706560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 863, 1024, 1264, 1280, 1580, 1726, 2048, 2528, 2560, 3160, 3452, 4096, 4315, 5056, 5120, 6320, 6904, 8630, 10112, 10240, 12640, 13808, 17260, 20224, 20480, 25280, 27616, 34520, 40448, 50560, 55232, 68177, 69040, 80896, 101120, 110464, 136354, 138080, 161792, 202240, 220928, 272708, 276160, 323584, 340885, 404480, 441856, 545416, 552320, 681770, 808960, 883712, 1090832, 1104640, 1363540, 1617920, 1767424, 2181664, 2209280, 2727080, 3534848, 4363328, 4418560, 5454160, 8726656, 8837120, 10908320, 17453312, 17674240, 21816640, 34906624, 43633280, 69813248, 87266560, 139626496, 174533120, 279252992, 349066240, 698132480, 1396264960]

約数ペア:

[(1, 1396264960), (2, 698132480), (4, 349066240), (5, 279252992), (8, 174533120), (10, 139626496), (16, 87266560), (20, 69813248), (32, 43633280), (40, 34906624), (64, 21816640), (79, 17674240), (80, 17453312), (128, 10908320), (158, 8837120), (160, 8726656), (256, 5454160), (316, 4418560), (320, 4363328), (395, 3534848), (512, 2727080), (632, 2209280), (640, 2181664), (790, 1767424), (863, 1617920), (1024, 1363540), (1264, 1104640), (1280, 1090832), (1580, 883712), (1726, 808960), (2048, 681770), (2528, 552320), (2560, 545416), (3160, 441856), (3452, 404480), (4096, 340885), (4315, 323584), (5056, 276160), (5120, 272708), (6320, 220928), (6904, 202240), (8630, 161792), (10112, 138080), (10240, 136354), (12640, 110464), (13808, 101120), (17260, 80896), (20224, 69040), (20480, 68177), (25280, 55232), (27616, 50560), (34520, 40448)]