71394560

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 182604828

約数和(自身を除く): 111210268

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 193, 256, 272, 289, 320, 340, 386, 544, 578, 640, 680, 772, 965, 1088, 1156, 1280, 1360, 1445, 1544, 1930, 2176, 2312, 2720, 2890, 3088, 3281, 3860, 4352, 4624, 5440, 5780, 6176, 6562, 7720, 9248, 10880, 11560, 12352, 13124, 15440, 16405, 18496, 21760, 23120, 24704, 26248, 30880, 32810, 36992, 46240, 49408, 52496, 55777, 61760, 65620, 73984, 92480, 104992, 111554, 123520, 131240, 184960, 209984, 223108, 247040, 262480, 278885, 369920, 419968, 446216, 524960, 557770, 839936, 892432, 1049920, 1115540, 1784864, 2099840, 2231080, 3569728, 4199680, 4462160, 7139456, 8924320, 14278912, 17848640, 35697280, 71394560]

約数ペア:

[(1, 71394560), (2, 35697280), (4, 17848640), (5, 14278912), (8, 8924320), (10, 7139456), (16, 4462160), (17, 4199680), (20, 3569728), (32, 2231080), (34, 2099840), (40, 1784864), (64, 1115540), (68, 1049920), (80, 892432), (85, 839936), (128, 557770), (136, 524960), (160, 446216), (170, 419968), (193, 369920), (256, 278885), (272, 262480), (289, 247040), (320, 223108), (340, 209984), (386, 184960), (544, 131240), (578, 123520), (640, 111554), (680, 104992), (772, 92480), (965, 73984), (1088, 65620), (1156, 61760), (1280, 55777), (1360, 52496), (1445, 49408), (1544, 46240), (1930, 36992), (2176, 32810), (2312, 30880), (2720, 26248), (2890, 24704), (3088, 23120), (3281, 21760), (3860, 18496), (4352, 16405), (4624, 15440), (5440, 13124), (5780, 12352), (6176, 11560), (6562, 10880), (7720, 9248)]