625851520

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 128

約数和(自身を含む): 1745424000

約数和(自身を除く): 1119572480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 2851, 3136, 3430, 3920, 4480, 5488, 5702, 6272, 6860, 7840, 10976, 11404, 13720, 14255, 15680, 19957, 21952, 22808, 27440, 28510, 31360, 39914, 43904, 45616, 54880, 57020, 79828, 91232, 99785, 109760, 114040, 139699, 159656, 182464, 199570, 219520, 228080, 279398, 319312, 364928, 399140, 456160, 558796, 638624, 698495, 798280, 912320, 977893, 1117592, 1277248, 1396990, 1596560, 1824640, 1955786, 2235184, 2554496, 2793980, 3193120, 3911572, 4470368, 4889465, 5587960, 6386240, 7823144, 8940736, 9778930, 11175920, 12772480, 15646288, 17881472, 19557860, 22351840, 31292576, 39115720, 44703680, 62585152, 78231440, 89407360, 125170304, 156462880, 312925760, 625851520]

約数ペア:

[(1, 625851520), (2, 312925760), (4, 156462880), (5, 125170304), (7, 89407360), (8, 78231440), (10, 62585152), (14, 44703680), (16, 39115720), (20, 31292576), (28, 22351840), (32, 19557860), (35, 17881472), (40, 15646288), (49, 12772480), (56, 11175920), (64, 9778930), (70, 8940736), (80, 7823144), (98, 6386240), (112, 5587960), (128, 4889465), (140, 4470368), (160, 3911572), (196, 3193120), (224, 2793980), (245, 2554496), (280, 2235184), (320, 1955786), (343, 1824640), (392, 1596560), (448, 1396990), (490, 1277248), (560, 1117592), (640, 977893), (686, 912320), (784, 798280), (896, 698495), (980, 638624), (1120, 558796), (1372, 456160), (1568, 399140), (1715, 364928), (1960, 319312), (2240, 279398), (2744, 228080), (2851, 219520), (3136, 199570), (3430, 182464), (3920, 159656), (4480, 139699), (5488, 114040), (5702, 109760), (6272, 99785), (6860, 91232), (7840, 79828), (10976, 57020), (11404, 54880), (13720, 45616), (14255, 43904), (15680, 39914), (19957, 31360), (21952, 28510), (22808, 27440)]