258694560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19961}}^1$

素因数の和:19988

約数の個数: 120

約数和(自身を含む): 913021956

約数和(自身を除く): 654327396

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19961, 39922, 59883, 79844, 99805, 119766, 159688, 179649, 199610, 239532, 299415, 319376, 359298, 399220, 479064, 538947, 598830, 638752, 718596, 798440, 898245, 958128, 1077894, 1197660, 1437192, 1596880, 1616841, 1796490, 1916256, 2155788, 2395320, 2694735, 2874384, 3193760, 3233682, 3592980, 4311576, 4790640, 5389470, 5748768, 6467364, 7185960, 8084205, 8623152, 9581280, 10778940, 12934728, 14371920, 16168410, 17246304, 21557880, 25869456, 28743840, 32336820, 43115760, 51738912, 64673640, 86231520, 129347280, 258694560]

約数ペア:

[(1, 258694560), (2, 129347280), (3, 86231520), (4, 64673640), (5, 51738912), (6, 43115760), (8, 32336820), (9, 28743840), (10, 25869456), (12, 21557880), (15, 17246304), (16, 16168410), (18, 14371920), (20, 12934728), (24, 10778940), (27, 9581280), (30, 8623152), (32, 8084205), (36, 7185960), (40, 6467364), (45, 5748768), (48, 5389470), (54, 4790640), (60, 4311576), (72, 3592980), (80, 3233682), (81, 3193760), (90, 2874384), (96, 2694735), (108, 2395320), (120, 2155788), (135, 1916256), (144, 1796490), (160, 1616841), (162, 1596880), (180, 1437192), (216, 1197660), (240, 1077894), (270, 958128), (288, 898245), (324, 798440), (360, 718596), (405, 638752), (432, 598830), (480, 538947), (540, 479064), (648, 399220), (720, 359298), (810, 319376), (864, 299415), (1080, 239532), (1296, 199610), (1440, 179649), (1620, 159688), (2160, 119766), (2592, 99805), (3240, 79844), (4320, 59883), (6480, 39922), (12960, 19961)]