1640805120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:468

約数の個数: 288

約数和(自身を含む): 5876418240

約数和(自身を除く): 4235613120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 197, 216, 240, 241, 256, 270, 288, 320, 360, 384, 394, 432, 480, 482, 540, 576, 591, 640, 720, 723, 768, 788, 864, 960, 964, 985, 1080, 1152, 1182, 1205, 1280, 1440, 1446, 1576, 1728, 1773, 1920, 1928, 1970, 2160, 2169, 2304, 2364, 2410, 2880, 2892, 2955, 3152, 3456, 3546, 3615, 3840, 3856, 3940, 4320, 4338, 4728, 4820, 5319, 5760, 5784, 5910, 6304, 6507, 6912, 7092, 7230, 7712, 7880, 8640, 8676, 8865, 9456, 9640, 10638, 10845, 11520, 11568, 11820, 12608, 13014, 14184, 14460, 15424, 15760, 17280, 17352, 17730, 18912, 19280, 21276, 21690, 23136, 23640, 25216, 26028, 26595, 28368, 28920, 30848, 31520, 32535, 34560, 34704, 35460, 37824, 38560, 42552, 43380, 46272, 47280, 47477, 50432, 52056, 53190, 56736, 57840, 61696, 63040, 65070, 69408, 70920, 75648, 77120, 85104, 86760, 92544, 94560, 94954, 104112, 106380, 113472, 115680, 126080, 130140, 138816, 141840, 142431, 151296, 154240, 170208, 173520, 185088, 189120, 189908, 208224, 212760, 226944, 231360, 237385, 252160, 260280, 277632, 283680, 284862, 308480, 340416, 347040, 378240, 379816, 416448, 425520, 427293, 453888, 462720, 474770, 520560, 555264, 567360, 569724, 680832, 694080, 712155, 756480, 759632, 832896, 851040, 854586, 925440, 949540, 1041120, 1134720, 1139448, 1281879, 1361664, 1388160, 1424310, 1519264, 1665792, 1702080, 1709172, 1899080, 2082240, 2136465, 2269440, 2278896, 2563758, 2776320, 2848620, 3038528, 3404160, 3418344, 3798160, 4164480, 4272930, 4557792, 5127516, 5697240, 6077056, 6409395, 6808320, 6836688, 7596320, 8328960, 8545860, 9115584, 10255032, 11394480, 12154112, 12818790, 13673376, 15192640, 17091720, 18231168, 20510064, 22788960, 25637580, 27346752, 30385280, 34183440, 36462336, 41020128, 45577920, 51275160, 54693504, 60770560, 68366880, 82040256, 91155840, 102550320, 109387008, 136733760, 164080512, 182311680, 205100640, 273467520, 328161024, 410201280, 546935040, 820402560, 1640805120]

約数ペア:

[(1, 1640805120), (2, 820402560), (3, 546935040), (4, 410201280), (5, 328161024), (6, 273467520), (8, 205100640), (9, 182311680), (10, 164080512), (12, 136733760), (15, 109387008), (16, 102550320), (18, 91155840), (20, 82040256), (24, 68366880), (27, 60770560), (30, 54693504), (32, 51275160), (36, 45577920), (40, 41020128), (45, 36462336), (48, 34183440), (54, 30385280), (60, 27346752), (64, 25637580), (72, 22788960), (80, 20510064), (90, 18231168), (96, 17091720), (108, 15192640), (120, 13673376), (128, 12818790), (135, 12154112), (144, 11394480), (160, 10255032), (180, 9115584), (192, 8545860), (197, 8328960), (216, 7596320), (240, 6836688), (241, 6808320), (256, 6409395), (270, 6077056), (288, 5697240), (320, 5127516), (360, 4557792), (384, 4272930), (394, 4164480), (432, 3798160), (480, 3418344), (482, 3404160), (540, 3038528), (576, 2848620), (591, 2776320), (640, 2563758), (720, 2278896), (723, 2269440), (768, 2136465), (788, 2082240), (864, 1899080), (960, 1709172), (964, 1702080), (985, 1665792), (1080, 1519264), (1152, 1424310), (1182, 1388160), (1205, 1361664), (1280, 1281879), (1440, 1139448), (1446, 1134720), (1576, 1041120), (1728, 949540), (1773, 925440), (1920, 854586), (1928, 851040), (1970, 832896), (2160, 759632), (2169, 756480), (2304, 712155), (2364, 694080), (2410, 680832), (2880, 569724), (2892, 567360), (2955, 555264), (3152, 520560), (3456, 474770), (3546, 462720), (3615, 453888), (3840, 427293), (3856, 425520), (3940, 416448), (4320, 379816), (4338, 378240), (4728, 347040), (4820, 340416), (5319, 308480), (5760, 284862), (5784, 283680), (5910, 277632), (6304, 260280), (6507, 252160), (6912, 237385), (7092, 231360), (7230, 226944), (7712, 212760), (7880, 208224), (8640, 189908), (8676, 189120), (8865, 185088), (9456, 173520), (9640, 170208), (10638, 154240), (10845, 151296), (11520, 142431), (11568, 141840), (11820, 138816), (12608, 130140), (13014, 126080), (14184, 115680), (14460, 113472), (15424, 106380), (15760, 104112), (17280, 94954), (17352, 94560), (17730, 92544), (18912, 86760), (19280, 85104), (21276, 77120), (21690, 75648), (23136, 70920), (23640, 69408), (25216, 65070), (26028, 63040), (26595, 61696), (28368, 57840), (28920, 56736), (30848, 53190), (31520, 52056), (32535, 50432), (34560, 47477), (34704, 47280), (35460, 46272), (37824, 43380), (38560, 42552)]