1036176640

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10247}}^1$

素因数の和:10347

約数の個数: 72

約数和(自身を含む): 2513629440

約数和(自身を除く): 1477452800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6320, 10112, 10247, 12640, 20224, 20494, 25280, 40988, 50560, 51235, 81976, 101120, 102470, 163952, 204940, 327904, 409880, 655808, 809513, 819760, 1311616, 1619026, 1639520, 2623232, 3238052, 3279040, 4047565, 6476104, 6558080, 8095130, 12952208, 13116160, 16190260, 25904416, 32380520, 51808832, 64761040, 103617664, 129522080, 207235328, 259044160, 518088320, 1036176640]

約数ペア:

[(1, 1036176640), (2, 518088320), (4, 259044160), (5, 207235328), (8, 129522080), (10, 103617664), (16, 64761040), (20, 51808832), (32, 32380520), (40, 25904416), (64, 16190260), (79, 13116160), (80, 12952208), (128, 8095130), (158, 6558080), (160, 6476104), (256, 4047565), (316, 3279040), (320, 3238052), (395, 2623232), (632, 1639520), (640, 1619026), (790, 1311616), (1264, 819760), (1280, 809513), (1580, 655808), (2528, 409880), (3160, 327904), (5056, 204940), (6320, 163952), (10112, 102470), (10247, 101120), (12640, 81976), (20224, 51235), (20494, 50560), (25280, 40988)]