8915028640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 288

約数和(自身を含む): 25567862544

約数和(自身を除く): 16652833904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 73, 74, 80, 98, 112, 140, 146, 148, 160, 185, 196, 224, 245, 259, 280, 292, 296, 365, 370, 392, 421, 490, 511, 518, 560, 584, 592, 730, 740, 784, 842, 980, 1022, 1036, 1120, 1168, 1184, 1295, 1460, 1480, 1568, 1684, 1813, 1960, 2044, 2072, 2105, 2336, 2555, 2590, 2701, 2920, 2947, 2960, 3368, 3577, 3626, 3920, 4088, 4144, 4210, 5110, 5180, 5402, 5840, 5894, 5920, 6736, 7154, 7252, 7840, 8176, 8288, 8420, 9065, 10220, 10360, 10804, 11680, 11788, 13472, 13505, 14308, 14504, 14735, 15577, 16352, 16840, 17885, 18130, 18907, 20440, 20629, 20720, 21608, 23576, 27010, 28616, 29008, 29470, 30733, 31154, 33680, 35770, 36260, 37814, 40880, 41258, 41440, 43216, 47152, 54020, 57232, 58016, 58940, 61466, 62308, 67360, 71540, 72520, 75628, 77885, 81760, 82516, 86432, 94304, 94535, 103145, 108040, 109039, 114464, 117880, 122932, 124616, 132349, 143080, 145040, 151256, 153665, 155770, 165032, 189070, 206290, 215131, 216080, 218078, 235760, 245864, 249232, 264698, 286160, 290080, 302512, 307330, 311540, 330064, 378140, 412580, 430262, 432160, 436156, 471520, 491728, 498464, 529396, 545195, 572320, 605024, 614660, 623080, 660128, 661745, 756280, 763273, 825160, 860524, 872312, 983456, 1058792, 1075655, 1090390, 1137121, 1229320, 1246160, 1323490, 1505917, 1512560, 1526546, 1650320, 1721048, 1744624, 2117584, 2151310, 2180780, 2274242, 2458640, 2492320, 2646980, 3011834, 3025120, 3053092, 3300640, 3442096, 3489248, 3816365, 4235168, 4302620, 4361560, 4548484, 4917280, 5293960, 5685605, 6023668, 6106184, 6884192, 7529585, 7632730, 7959847, 8605240, 8723120, 9096968, 10587920, 11371210, 12047336, 12212368, 15059170, 15265460, 15919694, 17210480, 17446240, 18193936, 21175840, 22742420, 24094672, 24424736, 30118340, 30530920, 31839388, 34420960, 36387872, 39799235, 45484840, 48189344, 55718929, 60236680, 61061840, 63678776, 79598470, 90969680, 111437858, 120473360, 122123680, 127357552, 159196940, 181939360, 222875716, 240946720, 254715104, 278594645, 318393880, 445751432, 557189290, 636787760, 891502864, 1114378580, 1273575520, 1783005728, 2228757160, 4457514320, 8915028640]

約数ペア:

[(1, 8915028640), (2, 4457514320), (4, 2228757160), (5, 1783005728), (7, 1273575520), (8, 1114378580), (10, 891502864), (14, 636787760), (16, 557189290), (20, 445751432), (28, 318393880), (32, 278594645), (35, 254715104), (37, 240946720), (40, 222875716), (49, 181939360), (56, 159196940), (70, 127357552), (73, 122123680), (74, 120473360), (80, 111437858), (98, 90969680), (112, 79598470), (140, 63678776), (146, 61061840), (148, 60236680), (160, 55718929), (185, 48189344), (196, 45484840), (224, 39799235), (245, 36387872), (259, 34420960), (280, 31839388), (292, 30530920), (296, 30118340), (365, 24424736), (370, 24094672), (392, 22742420), (421, 21175840), (490, 18193936), (511, 17446240), (518, 17210480), (560, 15919694), (584, 15265460), (592, 15059170), (730, 12212368), (740, 12047336), (784, 11371210), (842, 10587920), (980, 9096968), (1022, 8723120), (1036, 8605240), (1120, 7959847), (1168, 7632730), (1184, 7529585), (1295, 6884192), (1460, 6106184), (1480, 6023668), (1568, 5685605), (1684, 5293960), (1813, 4917280), (1960, 4548484), (2044, 4361560), (2072, 4302620), (2105, 4235168), (2336, 3816365), (2555, 3489248), (2590, 3442096), (2701, 3300640), (2920, 3053092), (2947, 3025120), (2960, 3011834), (3368, 2646980), (3577, 2492320), (3626, 2458640), (3920, 2274242), (4088, 2180780), (4144, 2151310), (4210, 2117584), (5110, 1744624), (5180, 1721048), (5402, 1650320), (5840, 1526546), (5894, 1512560), (5920, 1505917), (6736, 1323490), (7154, 1246160), (7252, 1229320), (7840, 1137121), (8176, 1090390), (8288, 1075655), (8420, 1058792), (9065, 983456), (10220, 872312), (10360, 860524), (10804, 825160), (11680, 763273), (11788, 756280), (13472, 661745), (13505, 660128), (14308, 623080), (14504, 614660), (14735, 605024), (15577, 572320), (16352, 545195), (16840, 529396), (17885, 498464), (18130, 491728), (18907, 471520), (20440, 436156), (20629, 432160), (20720, 430262), (21608, 412580), (23576, 378140), (27010, 330064), (28616, 311540), (29008, 307330), (29470, 302512), (30733, 290080), (31154, 286160), (33680, 264698), (35770, 249232), (36260, 245864), (37814, 235760), (40880, 218078), (41258, 216080), (41440, 215131), (43216, 206290), (47152, 189070), (54020, 165032), (57232, 155770), (58016, 153665), (58940, 151256), (61466, 145040), (62308, 143080), (67360, 132349), (71540, 124616), (72520, 122932), (75628, 117880), (77885, 114464), (81760, 109039), (82516, 108040), (86432, 103145), (94304, 94535)]