78886680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 167457000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 197, 213, 235, 282, 284, 355, 376, 394, 426, 470, 564, 568, 591, 705, 710, 788, 852, 940, 985, 1065, 1128, 1182, 1410, 1420, 1576, 1704, 1880, 1970, 2130, 2364, 2820, 2840, 2955, 3337, 3940, 4260, 4728, 5640, 5910, 6674, 7880, 8520, 9259, 10011, 11820, 13348, 13987, 16685, 18518, 20022, 23640, 26696, 27777, 27974, 33370, 37036, 40044, 41961, 46295, 50055, 55554, 55948, 66740, 69935, 74072, 80088, 83922, 92590, 100110, 111108, 111896, 133480, 138885, 139870, 167844, 185180, 200220, 209805, 222216, 277770, 279740, 335688, 370360, 400440, 419610, 555540, 559480, 657389, 839220, 1111080, 1314778, 1678440, 1972167, 2629556, 3286945, 3944334, 5259112, 6573890, 7888668, 9860835, 13147780, 15777336, 19721670, 26295560, 39443340, 78886680]

約数ペア:

[(1, 78886680), (2, 39443340), (3, 26295560), (4, 19721670), (5, 15777336), (6, 13147780), (8, 9860835), (10, 7888668), (12, 6573890), (15, 5259112), (20, 3944334), (24, 3286945), (30, 2629556), (40, 1972167), (47, 1678440), (60, 1314778), (71, 1111080), (94, 839220), (120, 657389), (141, 559480), (142, 555540), (188, 419610), (197, 400440), (213, 370360), (235, 335688), (282, 279740), (284, 277770), (355, 222216), (376, 209805), (394, 200220), (426, 185180), (470, 167844), (564, 139870), (568, 138885), (591, 133480), (705, 111896), (710, 111108), (788, 100110), (852, 92590), (940, 83922), (985, 80088), (1065, 74072), (1128, 69935), (1182, 66740), (1410, 55948), (1420, 55554), (1576, 50055), (1704, 46295), (1880, 41961), (1970, 40044), (2130, 37036), (2364, 33370), (2820, 27974), (2840, 27777), (2955, 26696), (3337, 23640), (3940, 20022), (4260, 18518), (4728, 16685), (5640, 13987), (5910, 13348), (6674, 11820), (7880, 10011), (8520, 9259)]