61776640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 158132016

約数和(自身を除く): 96355376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 167, 170, 256, 272, 289, 320, 334, 340, 544, 578, 640, 668, 680, 835, 1088, 1156, 1280, 1336, 1360, 1445, 1670, 2176, 2312, 2672, 2720, 2839, 2890, 3340, 4352, 4624, 5344, 5440, 5678, 5780, 6680, 9248, 10688, 10880, 11356, 11560, 13360, 14195, 18496, 21376, 21760, 22712, 23120, 26720, 28390, 36992, 42752, 45424, 46240, 48263, 53440, 56780, 73984, 90848, 92480, 96526, 106880, 113560, 181696, 184960, 193052, 213760, 227120, 241315, 363392, 369920, 386104, 454240, 482630, 726784, 772208, 908480, 965260, 1544416, 1816960, 1930520, 3088832, 3633920, 3861040, 6177664, 7722080, 12355328, 15444160, 30888320, 61776640]

約数ペア:

[(1, 61776640), (2, 30888320), (4, 15444160), (5, 12355328), (8, 7722080), (10, 6177664), (16, 3861040), (17, 3633920), (20, 3088832), (32, 1930520), (34, 1816960), (40, 1544416), (64, 965260), (68, 908480), (80, 772208), (85, 726784), (128, 482630), (136, 454240), (160, 386104), (167, 369920), (170, 363392), (256, 241315), (272, 227120), (289, 213760), (320, 193052), (334, 184960), (340, 181696), (544, 113560), (578, 106880), (640, 96526), (668, 92480), (680, 90848), (835, 73984), (1088, 56780), (1156, 53440), (1280, 48263), (1336, 46240), (1360, 45424), (1445, 42752), (1670, 36992), (2176, 28390), (2312, 26720), (2672, 23120), (2720, 22712), (2839, 21760), (2890, 21376), (3340, 18496), (4352, 14195), (4624, 13360), (5344, 11560), (5440, 11356), (5678, 10880), (5780, 10688), (6680, 9248)]