123366400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 132

約数和(自身を含む): 314746720

約数和(自身を除く): 191380320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 79, 80, 100, 122, 128, 158, 160, 200, 244, 256, 305, 316, 320, 395, 400, 488, 512, 610, 632, 640, 790, 800, 976, 1024, 1220, 1264, 1280, 1525, 1580, 1600, 1952, 1975, 2440, 2528, 2560, 3050, 3160, 3200, 3904, 3950, 4819, 4880, 5056, 5120, 6100, 6320, 6400, 7808, 7900, 9638, 9760, 10112, 12200, 12640, 12800, 15616, 15800, 19276, 19520, 20224, 24095, 24400, 25280, 25600, 31232, 31600, 38552, 39040, 40448, 48190, 48800, 50560, 62464, 63200, 77104, 78080, 80896, 96380, 97600, 101120, 120475, 126400, 154208, 156160, 192760, 195200, 202240, 240950, 252800, 308416, 312320, 385520, 390400, 404480, 481900, 505600, 616832, 771040, 780800, 963800, 1011200, 1233664, 1542080, 1561600, 1927600, 2022400, 2467328, 3084160, 3855200, 4934656, 6168320, 7710400, 12336640, 15420800, 24673280, 30841600, 61683200, 123366400]

約数ペア:

[(1, 123366400), (2, 61683200), (4, 30841600), (5, 24673280), (8, 15420800), (10, 12336640), (16, 7710400), (20, 6168320), (25, 4934656), (32, 3855200), (40, 3084160), (50, 2467328), (61, 2022400), (64, 1927600), (79, 1561600), (80, 1542080), (100, 1233664), (122, 1011200), (128, 963800), (158, 780800), (160, 771040), (200, 616832), (244, 505600), (256, 481900), (305, 404480), (316, 390400), (320, 385520), (395, 312320), (400, 308416), (488, 252800), (512, 240950), (610, 202240), (632, 195200), (640, 192760), (790, 156160), (800, 154208), (976, 126400), (1024, 120475), (1220, 101120), (1264, 97600), (1280, 96380), (1525, 80896), (1580, 78080), (1600, 77104), (1952, 63200), (1975, 62464), (2440, 50560), (2528, 48800), (2560, 48190), (3050, 40448), (3160, 39040), (3200, 38552), (3904, 31600), (3950, 31232), (4819, 25600), (4880, 25280), (5056, 24400), (5120, 24095), (6100, 20224), (6320, 19520), (6400, 19276), (7808, 15800), (7900, 15616), (9638, 12800), (9760, 12640), (10112, 12200)]