20881050480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1109}}^1$

素因数の和:1533

約数の個数: 320

約数和(自身を含む): 75316608000

約数和(自身を除く): 54435557520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 379, 414, 432, 460, 540, 552, 621, 690, 720, 758, 828, 920, 1035, 1080, 1104, 1109, 1137, 1242, 1380, 1516, 1656, 1840, 1895, 2070, 2160, 2218, 2274, 2484, 2760, 3032, 3105, 3312, 3327, 3411, 3790, 4140, 4436, 4548, 4968, 5520, 5545, 5685, 6064, 6210, 6654, 6822, 7580, 8280, 8717, 8872, 9096, 9936, 9981, 10233, 11090, 11370, 12420, 13308, 13644, 15160, 16560, 16635, 17055, 17434, 17744, 18192, 19962, 20466, 22180, 22740, 24840, 25507, 26151, 26616, 27288, 29943, 30320, 33270, 34110, 34868, 39924, 40932, 43585, 44360, 45480, 49680, 49905, 51014, 51165, 52302, 53232, 54576, 59886, 66540, 68220, 69736, 76521, 78453, 79848, 81864, 87170, 88720, 90960, 99810, 102028, 102330, 104604, 119772, 127535, 130755, 133080, 136440, 139472, 149715, 153042, 156906, 159696, 163728, 174340, 199620, 204056, 204660, 209208, 229563, 235359, 239544, 255070, 261510, 266160, 272880, 299430, 306084, 313812, 348680, 382605, 392265, 399240, 408112, 409320, 418416, 420311, 459126, 470718, 479088, 510140, 523020, 598860, 612168, 627624, 688689, 697360, 765210, 784530, 798480, 818640, 840622, 918252, 941436, 1020280, 1046040, 1147815, 1176795, 1197720, 1224336, 1255248, 1260933, 1377378, 1530420, 1569060, 1681244, 1836504, 1882872, 2040560, 2092080, 2101555, 2295630, 2353590, 2395440, 2521866, 2754756, 3060840, 3138120, 3362488, 3443445, 3673008, 3765744, 3782799, 4203110, 4591260, 4707180, 5043732, 5509512, 6121680, 6276240, 6304665, 6724976, 6886890, 7565598, 8406220, 9182520, 9414360, 9667153, 10087464, 11019024, 11348397, 12609330, 13773780, 15131196, 16812440, 18365040, 18828720, 18913995, 19334306, 20174928, 22696794, 25218660, 27547560, 29001459, 30262392, 33624880, 37827990, 38668612, 45393588, 48335765, 50437320, 55095120, 56741985, 58002918, 60524784, 75655980, 77337224, 87004377, 90787176, 96671530, 100874640, 113483970, 116005836, 145007295, 151311960, 154674448, 174008754, 181574352, 193343060, 226967940, 232011672, 261013131, 290014590, 302623920, 348017508, 386686120, 435021885, 453935880, 464023344, 522026262, 580029180, 696035016, 773372240, 870043770, 907871760, 1044052524, 1160058360, 1305065655, 1392070032, 1740087540, 2088105048, 2320116720, 2610131310, 3480175080, 4176210096, 5220262620, 6960350160, 10440525240, 20881050480]

約数ペア:

[(1, 20881050480), (2, 10440525240), (3, 6960350160), (4, 5220262620), (5, 4176210096), (6, 3480175080), (8, 2610131310), (9, 2320116720), (10, 2088105048), (12, 1740087540), (15, 1392070032), (16, 1305065655), (18, 1160058360), (20, 1044052524), (23, 907871760), (24, 870043770), (27, 773372240), (30, 696035016), (36, 580029180), (40, 522026262), (45, 464023344), (46, 453935880), (48, 435021885), (54, 386686120), (60, 348017508), (69, 302623920), (72, 290014590), (80, 261013131), (90, 232011672), (92, 226967940), (108, 193343060), (115, 181574352), (120, 174008754), (135, 154674448), (138, 151311960), (144, 145007295), (180, 116005836), (184, 113483970), (207, 100874640), (216, 96671530), (230, 90787176), (240, 87004377), (270, 77337224), (276, 75655980), (345, 60524784), (360, 58002918), (368, 56741985), (379, 55095120), (414, 50437320), (432, 48335765), (460, 45393588), (540, 38668612), (552, 37827990), (621, 33624880), (690, 30262392), (720, 29001459), (758, 27547560), (828, 25218660), (920, 22696794), (1035, 20174928), (1080, 19334306), (1104, 18913995), (1109, 18828720), (1137, 18365040), (1242, 16812440), (1380, 15131196), (1516, 13773780), (1656, 12609330), (1840, 11348397), (1895, 11019024), (2070, 10087464), (2160, 9667153), (2218, 9414360), (2274, 9182520), (2484, 8406220), (2760, 7565598), (3032, 6886890), (3105, 6724976), (3312, 6304665), (3327, 6276240), (3411, 6121680), (3790, 5509512), (4140, 5043732), (4436, 4707180), (4548, 4591260), (4968, 4203110), (5520, 3782799), (5545, 3765744), (5685, 3673008), (6064, 3443445), (6210, 3362488), (6654, 3138120), (6822, 3060840), (7580, 2754756), (8280, 2521866), (8717, 2395440), (8872, 2353590), (9096, 2295630), (9936, 2101555), (9981, 2092080), (10233, 2040560), (11090, 1882872), (11370, 1836504), (12420, 1681244), (13308, 1569060), (13644, 1530420), (15160, 1377378), (16560, 1260933), (16635, 1255248), (17055, 1224336), (17434, 1197720), (17744, 1176795), (18192, 1147815), (19962, 1046040), (20466, 1020280), (22180, 941436), (22740, 918252), (24840, 840622), (25507, 818640), (26151, 798480), (26616, 784530), (27288, 765210), (29943, 697360), (30320, 688689), (33270, 627624), (34110, 612168), (34868, 598860), (39924, 523020), (40932, 510140), (43585, 479088), (44360, 470718), (45480, 459126), (49680, 420311), (49905, 418416), (51014, 409320), (51165, 408112), (52302, 399240), (53232, 392265), (54576, 382605), (59886, 348680), (66540, 313812), (68220, 306084), (69736, 299430), (76521, 272880), (78453, 266160), (79848, 261510), (81864, 255070), (87170, 239544), (88720, 235359), (90960, 229563), (99810, 209208), (102028, 204660), (102330, 204056), (104604, 199620), (119772, 174340), (127535, 163728), (130755, 159696), (133080, 156906), (136440, 153042), (139472, 149715)]