644213808

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:832

約数の個数: 240

約数和(自身を含む): 2211096576

約数和(自身を除く): 1566882768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 37, 42, 46, 48, 56, 63, 69, 72, 74, 84, 92, 111, 112, 126, 138, 144, 148, 161, 168, 184, 207, 222, 252, 259, 276, 296, 322, 333, 336, 368, 414, 444, 483, 504, 518, 552, 592, 644, 666, 751, 777, 828, 851, 888, 966, 1008, 1036, 1104, 1288, 1332, 1449, 1502, 1554, 1656, 1702, 1776, 1932, 2072, 2253, 2331, 2553, 2576, 2664, 2898, 3004, 3108, 3312, 3404, 3864, 4144, 4506, 4662, 5106, 5257, 5328, 5796, 5957, 6008, 6216, 6759, 6808, 7659, 7728, 9012, 9324, 10212, 10514, 11592, 11914, 12016, 12432, 13518, 13616, 15318, 15771, 17273, 17871, 18024, 18648, 20424, 21028, 23184, 23828, 27036, 27787, 30636, 31542, 34546, 35742, 36048, 37296, 40848, 42056, 47313, 47656, 51819, 53613, 54072, 55574, 61272, 63084, 69092, 71484, 83361, 84112, 94626, 95312, 103638, 107226, 108144, 111148, 120911, 122544, 126168, 138184, 142968, 155457, 166722, 189252, 194509, 207276, 214452, 222296, 241822, 250083, 252336, 276368, 285936, 310914, 333444, 362733, 378504, 389018, 414552, 428904, 444592, 483644, 500166, 583527, 621828, 639101, 666888, 725466, 757008, 778036, 829104, 857808, 967288, 1000332, 1088199, 1167054, 1243656, 1278202, 1333776, 1450932, 1556072, 1750581, 1917303, 1934576, 2000664, 2176398, 2334108, 2487312, 2556404, 2901864, 3112144, 3501162, 3834606, 4001328, 4352796, 4473707, 4668216, 5112808, 5751909, 5803728, 7002324, 7669212, 8705592, 8947414, 9336432, 10225616, 11503818, 13421121, 14004648, 15338424, 17411184, 17894828, 23007636, 26842242, 28009296, 30676848, 35789656, 40263363, 46015272, 53684484, 71579312, 80526726, 92030544, 107368968, 161053452, 214737936, 322106904, 644213808]

約数ペア:

[(1, 644213808), (2, 322106904), (3, 214737936), (4, 161053452), (6, 107368968), (7, 92030544), (8, 80526726), (9, 71579312), (12, 53684484), (14, 46015272), (16, 40263363), (18, 35789656), (21, 30676848), (23, 28009296), (24, 26842242), (28, 23007636), (36, 17894828), (37, 17411184), (42, 15338424), (46, 14004648), (48, 13421121), (56, 11503818), (63, 10225616), (69, 9336432), (72, 8947414), (74, 8705592), (84, 7669212), (92, 7002324), (111, 5803728), (112, 5751909), (126, 5112808), (138, 4668216), (144, 4473707), (148, 4352796), (161, 4001328), (168, 3834606), (184, 3501162), (207, 3112144), (222, 2901864), (252, 2556404), (259, 2487312), (276, 2334108), (296, 2176398), (322, 2000664), (333, 1934576), (336, 1917303), (368, 1750581), (414, 1556072), (444, 1450932), (483, 1333776), (504, 1278202), (518, 1243656), (552, 1167054), (592, 1088199), (644, 1000332), (666, 967288), (751, 857808), (777, 829104), (828, 778036), (851, 757008), (888, 725466), (966, 666888), (1008, 639101), (1036, 621828), (1104, 583527), (1288, 500166), (1332, 483644), (1449, 444592), (1502, 428904), (1554, 414552), (1656, 389018), (1702, 378504), (1776, 362733), (1932, 333444), (2072, 310914), (2253, 285936), (2331, 276368), (2553, 252336), (2576, 250083), (2664, 241822), (2898, 222296), (3004, 214452), (3108, 207276), (3312, 194509), (3404, 189252), (3864, 166722), (4144, 155457), (4506, 142968), (4662, 138184), (5106, 126168), (5257, 122544), (5328, 120911), (5796, 111148), (5957, 108144), (6008, 107226), (6216, 103638), (6759, 95312), (6808, 94626), (7659, 84112), (7728, 83361), (9012, 71484), (9324, 69092), (10212, 63084), (10514, 61272), (11592, 55574), (11914, 54072), (12016, 53613), (12432, 51819), (13518, 47656), (13616, 47313), (15318, 42056), (15771, 40848), (17273, 37296), (17871, 36048), (18024, 35742), (18648, 34546), (20424, 31542), (21028, 30636), (23184, 27787), (23828, 27036)]