63760640

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 154465080

約数和(自身を除く): 90704440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 457, 545, 640, 872, 914, 1090, 1280, 1744, 1828, 2180, 2285, 3488, 3656, 4360, 4570, 6976, 7312, 8720, 9140, 13952, 14624, 17440, 18280, 27904, 29248, 34880, 36560, 49813, 58496, 69760, 73120, 99626, 116992, 139520, 146240, 199252, 249065, 292480, 398504, 498130, 584960, 797008, 996260, 1594016, 1992520, 3188032, 3985040, 6376064, 7970080, 12752128, 15940160, 31880320, 63760640]

約数ペア:

[(1, 63760640), (2, 31880320), (4, 15940160), (5, 12752128), (8, 7970080), (10, 6376064), (16, 3985040), (20, 3188032), (32, 1992520), (40, 1594016), (64, 996260), (80, 797008), (109, 584960), (128, 498130), (160, 398504), (218, 292480), (256, 249065), (320, 199252), (436, 146240), (457, 139520), (545, 116992), (640, 99626), (872, 73120), (914, 69760), (1090, 58496), (1280, 49813), (1744, 36560), (1828, 34880), (2180, 29248), (2285, 27904), (3488, 18280), (3656, 17440), (4360, 14624), (4570, 13952), (6976, 9140), (7312, 8720)]