254187720

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 224

約数和(自身を含む): 897134400

約数和(自身を除く): 642946680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 270, 276, 324, 345, 360, 379, 405, 414, 460, 486, 540, 552, 621, 648, 690, 729, 758, 810, 828, 920, 972, 1035, 1080, 1137, 1215, 1242, 1380, 1458, 1516, 1620, 1656, 1863, 1895, 1944, 2070, 2274, 2430, 2484, 2760, 2916, 3032, 3105, 3240, 3411, 3645, 3726, 3790, 4140, 4548, 4860, 4968, 5589, 5685, 5832, 6210, 6822, 7290, 7452, 7580, 8280, 8717, 9096, 9315, 9720, 10233, 11178, 11370, 12420, 13644, 14580, 14904, 15160, 16767, 17055, 17434, 18630, 20466, 22356, 22740, 24840, 26151, 27288, 27945, 29160, 30699, 33534, 34110, 34868, 37260, 40932, 43585, 44712, 45480, 51165, 52302, 55890, 61398, 67068, 68220, 69736, 74520, 78453, 81864, 83835, 87170, 92097, 102330, 104604, 111780, 122796, 130755, 134136, 136440, 153495, 156906, 167670, 174340, 184194, 204660, 209208, 223560, 235359, 245592, 261510, 276291, 306990, 313812, 335340, 348680, 368388, 392265, 409320, 460485, 470718, 523020, 552582, 613980, 627624, 670680, 706077, 736776, 784530, 920970, 941436, 1046040, 1105164, 1176795, 1227960, 1381455, 1412154, 1569060, 1841940, 1882872, 2118231, 2210328, 2353590, 2762910, 2824308, 3138120, 3530385, 3683880, 4236462, 4707180, 5525820, 5648616, 6354693, 7060770, 8472924, 9414360, 10591155, 11051640, 12709386, 14121540, 16945848, 21182310, 25418772, 28243080, 31773465, 42364620, 50837544, 63546930, 84729240, 127093860, 254187720]

約数ペア:

[(1, 254187720), (2, 127093860), (3, 84729240), (4, 63546930), (5, 50837544), (6, 42364620), (8, 31773465), (9, 28243080), (10, 25418772), (12, 21182310), (15, 16945848), (18, 14121540), (20, 12709386), (23, 11051640), (24, 10591155), (27, 9414360), (30, 8472924), (36, 7060770), (40, 6354693), (45, 5648616), (46, 5525820), (54, 4707180), (60, 4236462), (69, 3683880), (72, 3530385), (81, 3138120), (90, 2824308), (92, 2762910), (108, 2353590), (115, 2210328), (120, 2118231), (135, 1882872), (138, 1841940), (162, 1569060), (180, 1412154), (184, 1381455), (207, 1227960), (216, 1176795), (230, 1105164), (243, 1046040), (270, 941436), (276, 920970), (324, 784530), (345, 736776), (360, 706077), (379, 670680), (405, 627624), (414, 613980), (460, 552582), (486, 523020), (540, 470718), (552, 460485), (621, 409320), (648, 392265), (690, 368388), (729, 348680), (758, 335340), (810, 313812), (828, 306990), (920, 276291), (972, 261510), (1035, 245592), (1080, 235359), (1137, 223560), (1215, 209208), (1242, 204660), (1380, 184194), (1458, 174340), (1516, 167670), (1620, 156906), (1656, 153495), (1863, 136440), (1895, 134136), (1944, 130755), (2070, 122796), (2274, 111780), (2430, 104604), (2484, 102330), (2760, 92097), (2916, 87170), (3032, 83835), (3105, 81864), (3240, 78453), (3411, 74520), (3645, 69736), (3726, 68220), (3790, 67068), (4140, 61398), (4548, 55890), (4860, 52302), (4968, 51165), (5589, 45480), (5685, 44712), (5832, 43585), (6210, 40932), (6822, 37260), (7290, 34868), (7452, 34110), (7580, 33534), (8280, 30699), (8717, 29160), (9096, 27945), (9315, 27288), (9720, 26151), (10233, 24840), (11178, 22740), (11370, 22356), (12420, 20466), (13644, 18630), (14580, 17434), (14904, 17055), (15160, 16767)]