68816040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 215550720

約数和(自身を除く): 146734680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 71, 82, 120, 123, 142, 164, 197, 205, 213, 246, 284, 328, 355, 394, 410, 426, 492, 568, 591, 615, 710, 788, 820, 852, 984, 985, 1065, 1182, 1230, 1420, 1576, 1640, 1704, 1970, 2130, 2364, 2460, 2840, 2911, 2955, 3940, 4260, 4728, 4920, 5822, 5910, 7880, 8077, 8520, 8733, 11644, 11820, 13987, 14555, 16154, 17466, 23288, 23640, 24231, 27974, 29110, 32308, 34932, 40385, 41961, 43665, 48462, 55948, 58220, 64616, 69864, 69935, 80770, 83922, 87330, 96924, 111896, 116440, 121155, 139870, 161540, 167844, 174660, 193848, 209805, 242310, 279740, 323080, 335688, 349320, 419610, 484620, 559480, 573467, 839220, 969240, 1146934, 1678440, 1720401, 2293868, 2867335, 3440802, 4587736, 5734670, 6881604, 8602005, 11469340, 13763208, 17204010, 22938680, 34408020, 68816040]

約数ペア:

[(1, 68816040), (2, 34408020), (3, 22938680), (4, 17204010), (5, 13763208), (6, 11469340), (8, 8602005), (10, 6881604), (12, 5734670), (15, 4587736), (20, 3440802), (24, 2867335), (30, 2293868), (40, 1720401), (41, 1678440), (60, 1146934), (71, 969240), (82, 839220), (120, 573467), (123, 559480), (142, 484620), (164, 419610), (197, 349320), (205, 335688), (213, 323080), (246, 279740), (284, 242310), (328, 209805), (355, 193848), (394, 174660), (410, 167844), (426, 161540), (492, 139870), (568, 121155), (591, 116440), (615, 111896), (710, 96924), (788, 87330), (820, 83922), (852, 80770), (984, 69935), (985, 69864), (1065, 64616), (1182, 58220), (1230, 55948), (1420, 48462), (1576, 43665), (1640, 41961), (1704, 40385), (1970, 34932), (2130, 32308), (2364, 29110), (2460, 27974), (2840, 24231), (2911, 23640), (2955, 23288), (3940, 17466), (4260, 16154), (4728, 14555), (4920, 13987), (5822, 11820), (5910, 11644), (7880, 8733), (8077, 8520)]