280749040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 814572864

約数和(自身を除く): 533823824

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 88, 92, 97, 104, 110, 115, 121, 130, 143, 176, 184, 194, 208, 220, 230, 242, 253, 260, 286, 299, 368, 388, 440, 460, 484, 485, 506, 520, 572, 598, 605, 715, 776, 880, 920, 968, 970, 1012, 1040, 1067, 1144, 1196, 1210, 1261, 1265, 1430, 1495, 1552, 1573, 1840, 1936, 1940, 2024, 2134, 2231, 2288, 2392, 2420, 2522, 2530, 2783, 2860, 2990, 3146, 3289, 3880, 4048, 4268, 4462, 4784, 4840, 5044, 5060, 5335, 5566, 5720, 5980, 6292, 6305, 6578, 7760, 7865, 8536, 8924, 9680, 10088, 10120, 10670, 11132, 11155, 11440, 11737, 11960, 12584, 12610, 13156, 13871, 13915, 15730, 16445, 17072, 17848, 20176, 20240, 21340, 22264, 22310, 23474, 23920, 24541, 25168, 25220, 26312, 27742, 27830, 29003, 31460, 32890, 35696, 36179, 42680, 44528, 44620, 46948, 49082, 50440, 52624, 55484, 55660, 58006, 58685, 62920, 65780, 69355, 72358, 85360, 89240, 93896, 98164, 100880, 110968, 111320, 116012, 117370, 122705, 125840, 131560, 138710, 144716, 145015, 152581, 178480, 180895, 187792, 196328, 221936, 222640, 232024, 234740, 245410, 263120, 269951, 277420, 289432, 290030, 305162, 319033, 361790, 392656, 464048, 469480, 490820, 539902, 554840, 578864, 580060, 610324, 638066, 723580, 762905, 938960, 981640, 1079804, 1109680, 1160120, 1220648, 1276132, 1349755, 1447160, 1525810, 1595165, 1963280, 2159608, 2320240, 2441296, 2552264, 2699510, 2894320, 3051620, 3190330, 3509363, 4319216, 5104528, 5399020, 6103240, 6380660, 7018726, 10798040, 12206480, 12761320, 14037452, 17546815, 21596080, 25522640, 28074904, 35093630, 56149808, 70187260, 140374520, 280749040]

約数ペア:

[(1, 280749040), (2, 140374520), (4, 70187260), (5, 56149808), (8, 35093630), (10, 28074904), (11, 25522640), (13, 21596080), (16, 17546815), (20, 14037452), (22, 12761320), (23, 12206480), (26, 10798040), (40, 7018726), (44, 6380660), (46, 6103240), (52, 5399020), (55, 5104528), (65, 4319216), (80, 3509363), (88, 3190330), (92, 3051620), (97, 2894320), (104, 2699510), (110, 2552264), (115, 2441296), (121, 2320240), (130, 2159608), (143, 1963280), (176, 1595165), (184, 1525810), (194, 1447160), (208, 1349755), (220, 1276132), (230, 1220648), (242, 1160120), (253, 1109680), (260, 1079804), (286, 981640), (299, 938960), (368, 762905), (388, 723580), (440, 638066), (460, 610324), (484, 580060), (485, 578864), (506, 554840), (520, 539902), (572, 490820), (598, 469480), (605, 464048), (715, 392656), (776, 361790), (880, 319033), (920, 305162), (968, 290030), (970, 289432), (1012, 277420), (1040, 269951), (1067, 263120), (1144, 245410), (1196, 234740), (1210, 232024), (1261, 222640), (1265, 221936), (1430, 196328), (1495, 187792), (1552, 180895), (1573, 178480), (1840, 152581), (1936, 145015), (1940, 144716), (2024, 138710), (2134, 131560), (2231, 125840), (2288, 122705), (2392, 117370), (2420, 116012), (2522, 111320), (2530, 110968), (2783, 100880), (2860, 98164), (2990, 93896), (3146, 89240), (3289, 85360), (3880, 72358), (4048, 69355), (4268, 65780), (4462, 62920), (4784, 58685), (4840, 58006), (5044, 55660), (5060, 55484), (5335, 52624), (5566, 50440), (5720, 49082), (5980, 46948), (6292, 44620), (6305, 44528), (6578, 42680), (7760, 36179), (7865, 35696), (8536, 32890), (8924, 31460), (9680, 29003), (10088, 27830), (10120, 27742), (10670, 26312), (11132, 25220), (11155, 25168), (11440, 24541), (11737, 23920), (11960, 23474), (12584, 22310), (12610, 22264), (13156, 21340), (13871, 20240), (13915, 20176), (15730, 17848), (16445, 17072)]