641103840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1546

約数の個数: 288

約数和(自身を含む): 2460144960

約数和(自身を除く): 1819041120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 156, 160, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 345, 360, 368, 390, 414, 416, 460, 468, 480, 520, 552, 585, 598, 624, 690, 720, 736, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1248, 1380, 1440, 1489, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2080, 2208, 2340, 2392, 2691, 2760, 2978, 2990, 3120, 3312, 3588, 3680, 3744, 4140, 4467, 4485, 4680, 4784, 5382, 5520, 5956, 5980, 6240, 6624, 7176, 7445, 8280, 8934, 8970, 9360, 9568, 10764, 11040, 11912, 11960, 13401, 13455, 14352, 14890, 16560, 17868, 17940, 18720, 19357, 21528, 22335, 23824, 23920, 26802, 26910, 28704, 29780, 33120, 34247, 35736, 35880, 38714, 43056, 44670, 47648, 47840, 53604, 53820, 58071, 59560, 67005, 68494, 71472, 71760, 77428, 86112, 89340, 96785, 102741, 107208, 107640, 116142, 119120, 134010, 136988, 142944, 143520, 154856, 171235, 174213, 178680, 193570, 205482, 214416, 215280, 232284, 238240, 268020, 273976, 290355, 308223, 309712, 342470, 348426, 357360, 387140, 410964, 428832, 430560, 445211, 464568, 513705, 536040, 547952, 580710, 616446, 619424, 684940, 696852, 714720, 774280, 821928, 871065, 890422, 929136, 1027410, 1072080, 1095904, 1161420, 1232892, 1335633, 1369880, 1393704, 1541115, 1548560, 1643856, 1742130, 1780844, 1858272, 2054820, 2144160, 2226055, 2322840, 2465784, 2671266, 2739760, 2787408, 3082230, 3097120, 3287712, 3484260, 3561688, 4006899, 4109640, 4452110, 4645680, 4931568, 5342532, 5479520, 5574816, 6164460, 6678165, 6968520, 7123376, 8013798, 8219280, 8904220, 9291360, 9863136, 10685064, 12328920, 13356330, 13937040, 14246752, 16027596, 16438560, 17808440, 20034495, 21370128, 24657840, 26712660, 27874080, 32055192, 35616880, 40068990, 42740256, 49315680, 53425320, 64110384, 71233760, 80137980, 106850640, 128220768, 160275960, 213701280, 320551920, 641103840]

約数ペア:

[(1, 641103840), (2, 320551920), (3, 213701280), (4, 160275960), (5, 128220768), (6, 106850640), (8, 80137980), (9, 71233760), (10, 64110384), (12, 53425320), (13, 49315680), (15, 42740256), (16, 40068990), (18, 35616880), (20, 32055192), (23, 27874080), (24, 26712660), (26, 24657840), (30, 21370128), (32, 20034495), (36, 17808440), (39, 16438560), (40, 16027596), (45, 14246752), (46, 13937040), (48, 13356330), (52, 12328920), (60, 10685064), (65, 9863136), (69, 9291360), (72, 8904220), (78, 8219280), (80, 8013798), (90, 7123376), (92, 6968520), (96, 6678165), (104, 6164460), (115, 5574816), (117, 5479520), (120, 5342532), (130, 4931568), (138, 4645680), (144, 4452110), (156, 4109640), (160, 4006899), (180, 3561688), (184, 3484260), (195, 3287712), (207, 3097120), (208, 3082230), (230, 2787408), (234, 2739760), (240, 2671266), (260, 2465784), (276, 2322840), (288, 2226055), (299, 2144160), (312, 2054820), (345, 1858272), (360, 1780844), (368, 1742130), (390, 1643856), (414, 1548560), (416, 1541115), (460, 1393704), (468, 1369880), (480, 1335633), (520, 1232892), (552, 1161420), (585, 1095904), (598, 1072080), (624, 1027410), (690, 929136), (720, 890422), (736, 871065), (780, 821928), (828, 774280), (897, 714720), (920, 696852), (936, 684940), (1035, 619424), (1040, 616446), (1104, 580710), (1170, 547952), (1196, 536040), (1248, 513705), (1380, 464568), (1440, 445211), (1489, 430560), (1495, 428832), (1560, 410964), (1656, 387140), (1794, 357360), (1840, 348426), (1872, 342470), (2070, 309712), (2080, 308223), (2208, 290355), (2340, 273976), (2392, 268020), (2691, 238240), (2760, 232284), (2978, 215280), (2990, 214416), (3120, 205482), (3312, 193570), (3588, 178680), (3680, 174213), (3744, 171235), (4140, 154856), (4467, 143520), (4485, 142944), (4680, 136988), (4784, 134010), (5382, 119120), (5520, 116142), (5956, 107640), (5980, 107208), (6240, 102741), (6624, 96785), (7176, 89340), (7445, 86112), (8280, 77428), (8934, 71760), (8970, 71472), (9360, 68494), (9568, 67005), (10764, 59560), (11040, 58071), (11912, 53820), (11960, 53604), (13401, 47840), (13455, 47648), (14352, 44670), (14890, 43056), (16560, 38714), (17868, 35880), (17940, 35736), (18720, 34247), (19357, 33120), (21528, 29780), (22335, 28704), (23824, 26910), (23920, 26802)]