64220800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 188202240

約数和(自身を除く): 123981440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 61, 64, 70, 80, 94, 100, 112, 122, 128, 140, 160, 175, 188, 200, 224, 235, 244, 280, 305, 320, 329, 350, 376, 400, 427, 448, 470, 488, 560, 610, 640, 658, 700, 752, 800, 854, 896, 940, 976, 1120, 1175, 1220, 1316, 1400, 1504, 1525, 1600, 1645, 1708, 1880, 1952, 2135, 2240, 2350, 2440, 2632, 2800, 2867, 3008, 3050, 3200, 3290, 3416, 3760, 3904, 4270, 4480, 4700, 4880, 5264, 5600, 5734, 6016, 6100, 6580, 6832, 7520, 7808, 8225, 8540, 9400, 9760, 10528, 10675, 11200, 11468, 12200, 13160, 13664, 14335, 15040, 16450, 17080, 18800, 19520, 20069, 21056, 21350, 22400, 22936, 24400, 26320, 27328, 28670, 30080, 32900, 34160, 37600, 39040, 40138, 42112, 42700, 45872, 48800, 52640, 54656, 57340, 65800, 68320, 71675, 75200, 80276, 85400, 91744, 97600, 100345, 105280, 114680, 131600, 136640, 143350, 150400, 160552, 170800, 183488, 195200, 200690, 210560, 229360, 263200, 273280, 286700, 321104, 341600, 366976, 401380, 458720, 501725, 526400, 573400, 642208, 683200, 802760, 917440, 1003450, 1052800, 1146800, 1284416, 1366400, 1605520, 1834880, 2006900, 2293600, 2568832, 3211040, 4013800, 4587200, 6422080, 8027600, 9174400, 12844160, 16055200, 32110400, 64220800]

約数ペア:

[(1, 64220800), (2, 32110400), (4, 16055200), (5, 12844160), (7, 9174400), (8, 8027600), (10, 6422080), (14, 4587200), (16, 4013800), (20, 3211040), (25, 2568832), (28, 2293600), (32, 2006900), (35, 1834880), (40, 1605520), (47, 1366400), (50, 1284416), (56, 1146800), (61, 1052800), (64, 1003450), (70, 917440), (80, 802760), (94, 683200), (100, 642208), (112, 573400), (122, 526400), (128, 501725), (140, 458720), (160, 401380), (175, 366976), (188, 341600), (200, 321104), (224, 286700), (235, 273280), (244, 263200), (280, 229360), (305, 210560), (320, 200690), (329, 195200), (350, 183488), (376, 170800), (400, 160552), (427, 150400), (448, 143350), (470, 136640), (488, 131600), (560, 114680), (610, 105280), (640, 100345), (658, 97600), (700, 91744), (752, 85400), (800, 80276), (854, 75200), (896, 71675), (940, 68320), (976, 65800), (1120, 57340), (1175, 54656), (1220, 52640), (1316, 48800), (1400, 45872), (1504, 42700), (1525, 42112), (1600, 40138), (1645, 39040), (1708, 37600), (1880, 34160), (1952, 32900), (2135, 30080), (2240, 28670), (2350, 27328), (2440, 26320), (2632, 24400), (2800, 22936), (2867, 22400), (3008, 21350), (3050, 21056), (3200, 20069), (3290, 19520), (3416, 18800), (3760, 17080), (3904, 16450), (4270, 15040), (4480, 14335), (4700, 13664), (4880, 13160), (5264, 12200), (5600, 11468), (5734, 11200), (6016, 10675), (6100, 10528), (6580, 9760), (6832, 9400), (7520, 8540), (7808, 8225)]