78365920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 200527488

約数和(自身を除く): 122161568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 544, 613, 680, 752, 799, 940, 1226, 1360, 1504, 1598, 1880, 2452, 2720, 3065, 3196, 3760, 3995, 4904, 6130, 6392, 7520, 7990, 9808, 10421, 12260, 12784, 15980, 19616, 20842, 24520, 25568, 28811, 31960, 41684, 49040, 52105, 57622, 63920, 83368, 98080, 104210, 115244, 127840, 144055, 166736, 208420, 230488, 288110, 333472, 416840, 460976, 489787, 576220, 833680, 921952, 979574, 1152440, 1667360, 1959148, 2304880, 2448935, 3918296, 4609760, 4897870, 7836592, 9795740, 15673184, 19591480, 39182960, 78365920]

約数ペア:

[(1, 78365920), (2, 39182960), (4, 19591480), (5, 15673184), (8, 9795740), (10, 7836592), (16, 4897870), (17, 4609760), (20, 3918296), (32, 2448935), (34, 2304880), (40, 1959148), (47, 1667360), (68, 1152440), (80, 979574), (85, 921952), (94, 833680), (136, 576220), (160, 489787), (170, 460976), (188, 416840), (235, 333472), (272, 288110), (340, 230488), (376, 208420), (470, 166736), (544, 144055), (613, 127840), (680, 115244), (752, 104210), (799, 98080), (940, 83368), (1226, 63920), (1360, 57622), (1504, 52105), (1598, 49040), (1880, 41684), (2452, 31960), (2720, 28811), (3065, 25568), (3196, 24520), (3760, 20842), (3995, 19616), (4904, 15980), (6130, 12784), (6392, 12260), (7520, 10421), (7990, 9808)]