91341680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 229806720

約数和(自身を除く): 138465040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1429, 1598, 1880, 2858, 3196, 3760, 3995, 5716, 6392, 7145, 7990, 11432, 12784, 14290, 15980, 22864, 24293, 28580, 31960, 48586, 57160, 63920, 67163, 97172, 114320, 121465, 134326, 194344, 242930, 268652, 335815, 388688, 485860, 537304, 671630, 971720, 1074608, 1141771, 1343260, 1943440, 2283542, 2686520, 4567084, 5373040, 5708855, 9134168, 11417710, 18268336, 22835420, 45670840, 91341680]

約数ペア:

[(1, 91341680), (2, 45670840), (4, 22835420), (5, 18268336), (8, 11417710), (10, 9134168), (16, 5708855), (17, 5373040), (20, 4567084), (34, 2686520), (40, 2283542), (47, 1943440), (68, 1343260), (80, 1141771), (85, 1074608), (94, 971720), (136, 671630), (170, 537304), (188, 485860), (235, 388688), (272, 335815), (340, 268652), (376, 242930), (470, 194344), (680, 134326), (752, 121465), (799, 114320), (940, 97172), (1360, 67163), (1429, 63920), (1598, 57160), (1880, 48586), (2858, 31960), (3196, 28580), (3760, 24293), (3995, 22864), (5716, 15980), (6392, 14290), (7145, 12784), (7990, 11432)]