66955520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 171309684

約数和(自身を除く): 104354164

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 181, 256, 272, 289, 320, 340, 362, 544, 578, 640, 680, 724, 905, 1088, 1156, 1280, 1360, 1445, 1448, 1810, 2176, 2312, 2720, 2890, 2896, 3077, 3620, 4352, 4624, 5440, 5780, 5792, 6154, 7240, 9248, 10880, 11560, 11584, 12308, 14480, 15385, 18496, 21760, 23120, 23168, 24616, 28960, 30770, 36992, 46240, 46336, 49232, 52309, 57920, 61540, 73984, 92480, 98464, 104618, 115840, 123080, 184960, 196928, 209236, 231680, 246160, 261545, 369920, 393856, 418472, 492320, 523090, 787712, 836944, 984640, 1046180, 1673888, 1969280, 2092360, 3347776, 3938560, 4184720, 6695552, 8369440, 13391104, 16738880, 33477760, 66955520]

約数ペア:

[(1, 66955520), (2, 33477760), (4, 16738880), (5, 13391104), (8, 8369440), (10, 6695552), (16, 4184720), (17, 3938560), (20, 3347776), (32, 2092360), (34, 1969280), (40, 1673888), (64, 1046180), (68, 984640), (80, 836944), (85, 787712), (128, 523090), (136, 492320), (160, 418472), (170, 393856), (181, 369920), (256, 261545), (272, 246160), (289, 231680), (320, 209236), (340, 196928), (362, 184960), (544, 123080), (578, 115840), (640, 104618), (680, 98464), (724, 92480), (905, 73984), (1088, 61540), (1156, 57920), (1280, 52309), (1360, 49232), (1445, 46336), (1448, 46240), (1810, 36992), (2176, 30770), (2312, 28960), (2720, 24616), (2890, 23168), (2896, 23120), (3077, 21760), (3620, 18496), (4352, 15385), (4624, 14480), (5440, 12308), (5780, 11584), (5792, 11560), (6154, 10880), (7240, 9248)]