129347280

素因数分解:

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

素因数の和:19986

約数の個数: 100

約数和(自身を含む): 449264772

約数和(自身を除く): 319917492

約数列:

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

約数ペア:

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