254327920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 320

約数和(自身を含む): 809948160

約数和(自身を除く): 555620240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 41, 44, 53, 55, 56, 70, 76, 77, 80, 82, 88, 95, 106, 110, 112, 133, 140, 152, 154, 164, 176, 190, 205, 209, 212, 220, 265, 266, 280, 287, 304, 308, 328, 371, 380, 385, 410, 418, 424, 440, 451, 530, 532, 560, 574, 583, 616, 656, 665, 742, 760, 770, 779, 820, 836, 848, 880, 902, 1007, 1045, 1060, 1064, 1148, 1166, 1232, 1330, 1435, 1463, 1484, 1520, 1540, 1558, 1640, 1672, 1804, 1855, 2014, 2090, 2120, 2128, 2173, 2255, 2296, 2332, 2660, 2870, 2915, 2926, 2968, 3080, 3116, 3157, 3280, 3344, 3608, 3710, 3895, 4028, 4081, 4180, 4240, 4346, 4510, 4592, 4664, 5035, 5320, 5453, 5740, 5830, 5852, 5936, 6160, 6232, 6314, 7049, 7216, 7315, 7420, 7790, 8056, 8162, 8360, 8569, 8692, 9020, 9328, 10070, 10640, 10865, 10906, 11077, 11480, 11660, 11704, 12464, 12628, 14098, 14630, 14840, 15211, 15580, 15785, 16112, 16324, 16720, 17138, 17384, 18040, 20140, 20405, 21730, 21812, 22154, 22960, 23320, 23408, 23903, 25256, 27265, 28196, 29260, 29680, 30422, 31160, 31570, 32648, 34276, 34768, 35245, 36080, 40280, 40810, 41287, 42845, 43460, 43624, 44308, 46640, 47806, 50512, 54530, 55385, 56392, 58520, 59983, 60844, 62320, 63140, 65296, 68552, 70490, 76055, 77539, 80560, 81620, 82574, 85690, 86920, 87248, 88616, 95612, 109060, 110770, 112784, 117040, 119515, 119966, 121688, 126280, 137104, 140980, 152110, 155078, 163240, 165148, 167321, 171380, 173840, 177232, 191224, 206435, 218120, 221540, 239030, 239932, 243376, 252560, 281960, 289009, 299915, 304220, 310156, 326480, 330296, 334642, 342760, 382448, 387695, 412870, 436240, 443080, 454157, 478060, 479864, 563920, 578018, 599830, 608440, 620312, 660592, 669284, 685520, 775390, 825740, 836605, 886160, 908314, 956120, 959728, 1156036, 1199660, 1216880, 1240624, 1338568, 1445045, 1550780, 1651480, 1673210, 1816628, 1912240, 2270785, 2312072, 2399320, 2677136, 2890090, 3101560, 3179099, 3302960, 3346420, 3633256, 4541570, 4624144, 4798640, 5780180, 6203120, 6358198, 6692840, 7266512, 9083140, 11560360, 12716396, 13385680, 15895495, 18166280, 23120720, 25432792, 31790990, 36332560, 50865584, 63581980, 127163960, 254327920]

約数ペア:

[(1, 254327920), (2, 127163960), (4, 63581980), (5, 50865584), (7, 36332560), (8, 31790990), (10, 25432792), (11, 23120720), (14, 18166280), (16, 15895495), (19, 13385680), (20, 12716396), (22, 11560360), (28, 9083140), (35, 7266512), (38, 6692840), (40, 6358198), (41, 6203120), (44, 5780180), (53, 4798640), (55, 4624144), (56, 4541570), (70, 3633256), (76, 3346420), (77, 3302960), (80, 3179099), (82, 3101560), (88, 2890090), (95, 2677136), (106, 2399320), (110, 2312072), (112, 2270785), (133, 1912240), (140, 1816628), (152, 1673210), (154, 1651480), (164, 1550780), (176, 1445045), (190, 1338568), (205, 1240624), (209, 1216880), (212, 1199660), (220, 1156036), (265, 959728), (266, 956120), (280, 908314), (287, 886160), (304, 836605), (308, 825740), (328, 775390), (371, 685520), (380, 669284), (385, 660592), (410, 620312), (418, 608440), (424, 599830), (440, 578018), (451, 563920), (530, 479864), (532, 478060), (560, 454157), (574, 443080), (583, 436240), (616, 412870), (656, 387695), (665, 382448), (742, 342760), (760, 334642), (770, 330296), (779, 326480), (820, 310156), (836, 304220), (848, 299915), (880, 289009), (902, 281960), (1007, 252560), (1045, 243376), (1060, 239932), (1064, 239030), (1148, 221540), (1166, 218120), (1232, 206435), (1330, 191224), (1435, 177232), (1463, 173840), (1484, 171380), (1520, 167321), (1540, 165148), (1558, 163240), (1640, 155078), (1672, 152110), (1804, 140980), (1855, 137104), (2014, 126280), (2090, 121688), (2120, 119966), (2128, 119515), (2173, 117040), (2255, 112784), (2296, 110770), (2332, 109060), (2660, 95612), (2870, 88616), (2915, 87248), (2926, 86920), (2968, 85690), (3080, 82574), (3116, 81620), (3157, 80560), (3280, 77539), (3344, 76055), (3608, 70490), (3710, 68552), (3895, 65296), (4028, 63140), (4081, 62320), (4180, 60844), (4240, 59983), (4346, 58520), (4510, 56392), (4592, 55385), (4664, 54530), (5035, 50512), (5320, 47806), (5453, 46640), (5740, 44308), (5830, 43624), (5852, 43460), (5936, 42845), (6160, 41287), (6232, 40810), (6314, 40280), (7049, 36080), (7216, 35245), (7315, 34768), (7420, 34276), (7790, 32648), (8056, 31570), (8162, 31160), (8360, 30422), (8569, 29680), (8692, 29260), (9020, 28196), (9328, 27265), (10070, 25256), (10640, 23903), (10865, 23408), (10906, 23320), (11077, 22960), (11480, 22154), (11660, 21812), (11704, 21730), (12464, 20405), (12628, 20140), (14098, 18040), (14630, 17384), (14840, 17138), (15211, 16720), (15580, 16324), (15785, 16112)]