1254525440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 3572831592

約数和(自身を除く): 2318306152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 137, 140, 146, 160, 196, 224, 245, 256, 274, 280, 292, 320, 365, 392, 448, 490, 511, 512, 548, 560, 584, 640, 685, 730, 784, 896, 959, 980, 1022, 1096, 1120, 1168, 1280, 1370, 1460, 1568, 1792, 1918, 1960, 2044, 2192, 2240, 2336, 2555, 2560, 2740, 2920, 3136, 3577, 3584, 3836, 3920, 4088, 4384, 4480, 4672, 4795, 5110, 5480, 5840, 6272, 6713, 7154, 7672, 7840, 8176, 8768, 8960, 9344, 9590, 10001, 10220, 10960, 11680, 12544, 13426, 14308, 15344, 15680, 16352, 17536, 17885, 17920, 18688, 19180, 20002, 20440, 21920, 23360, 25088, 26852, 28616, 30688, 31360, 32704, 33565, 35072, 35770, 37376, 38360, 40004, 40880, 43840, 46720, 50005, 53704, 57232, 61376, 62720, 65408, 67130, 70007, 70144, 71540, 76720, 80008, 81760, 87680, 93440, 100010, 107408, 114464, 122752, 125440, 130816, 134260, 140014, 143080, 153440, 160016, 163520, 175360, 186880, 200020, 214816, 228928, 245504, 261632, 268520, 280028, 286160, 306880, 320032, 327040, 350035, 350720, 400040, 429632, 457856, 490049, 491008, 537040, 560056, 572320, 613760, 640064, 654080, 700070, 800080, 859264, 915712, 980098, 1074080, 1120112, 1144640, 1227520, 1280128, 1308160, 1400140, 1600160, 1718528, 1831424, 1960196, 2148160, 2240224, 2289280, 2450245, 2455040, 2560256, 2800280, 3200320, 3437056, 3920392, 4296320, 4480448, 4578560, 4900490, 5120512, 5600560, 6400640, 7840784, 8592640, 8960896, 9157120, 9800980, 11201120, 12801280, 15681568, 17185280, 17921792, 19601960, 22402240, 25602560, 31363136, 35843584, 39203920, 44804480, 62726272, 78407840, 89608960, 125452544, 156815680, 179217920, 250905088, 313631360, 627262720, 1254525440]

約数ペア:

[(1, 1254525440), (2, 627262720), (4, 313631360), (5, 250905088), (7, 179217920), (8, 156815680), (10, 125452544), (14, 89608960), (16, 78407840), (20, 62726272), (28, 44804480), (32, 39203920), (35, 35843584), (40, 31363136), (49, 25602560), (56, 22402240), (64, 19601960), (70, 17921792), (73, 17185280), (80, 15681568), (98, 12801280), (112, 11201120), (128, 9800980), (137, 9157120), (140, 8960896), (146, 8592640), (160, 7840784), (196, 6400640), (224, 5600560), (245, 5120512), (256, 4900490), (274, 4578560), (280, 4480448), (292, 4296320), (320, 3920392), (365, 3437056), (392, 3200320), (448, 2800280), (490, 2560256), (511, 2455040), (512, 2450245), (548, 2289280), (560, 2240224), (584, 2148160), (640, 1960196), (685, 1831424), (730, 1718528), (784, 1600160), (896, 1400140), (959, 1308160), (980, 1280128), (1022, 1227520), (1096, 1144640), (1120, 1120112), (1168, 1074080), (1280, 980098), (1370, 915712), (1460, 859264), (1568, 800080), (1792, 700070), (1918, 654080), (1960, 640064), (2044, 613760), (2192, 572320), (2240, 560056), (2336, 537040), (2555, 491008), (2560, 490049), (2740, 457856), (2920, 429632), (3136, 400040), (3577, 350720), (3584, 350035), (3836, 327040), (3920, 320032), (4088, 306880), (4384, 286160), (4480, 280028), (4672, 268520), (4795, 261632), (5110, 245504), (5480, 228928), (5840, 214816), (6272, 200020), (6713, 186880), (7154, 175360), (7672, 163520), (7840, 160016), (8176, 153440), (8768, 143080), (8960, 140014), (9344, 134260), (9590, 130816), (10001, 125440), (10220, 122752), (10960, 114464), (11680, 107408), (12544, 100010), (13426, 93440), (14308, 87680), (15344, 81760), (15680, 80008), (16352, 76720), (17536, 71540), (17885, 70144), (17920, 70007), (18688, 67130), (19180, 65408), (20002, 62720), (20440, 61376), (21920, 57232), (23360, 53704), (25088, 50005), (26852, 46720), (28616, 43840), (30688, 40880), (31360, 40004), (32704, 38360), (33565, 37376), (35072, 35770)]