2016981900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{77279}}^1$

素因数の和:77328

約数の個数: 108

約数和(自身を含む): 6540206400

約数和(自身を除く): 4523224500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 870, 900, 1044, 1305, 1450, 1740, 2175, 2610, 2900, 4350, 5220, 6525, 8700, 13050, 26100, 77279, 154558, 231837, 309116, 386395, 463674, 695511, 772790, 927348, 1159185, 1391022, 1545580, 1931975, 2241091, 2318370, 2782044, 3477555, 3863950, 4482182, 4636740, 5795925, 6723273, 6955110, 7727900, 8964364, 11205455, 11591850, 13446546, 13910220, 17387775, 20169819, 22410910, 23183700, 26893092, 33616365, 34775550, 40339638, 44821820, 56027275, 67232730, 69551100, 80679276, 100849095, 112054550, 134465460, 168081825, 201698190, 224109100, 336163650, 403396380, 504245475, 672327300, 1008490950, 2016981900]

約数ペア:

[(1, 2016981900), (2, 1008490950), (3, 672327300), (4, 504245475), (5, 403396380), (6, 336163650), (9, 224109100), (10, 201698190), (12, 168081825), (15, 134465460), (18, 112054550), (20, 100849095), (25, 80679276), (29, 69551100), (30, 67232730), (36, 56027275), (45, 44821820), (50, 40339638), (58, 34775550), (60, 33616365), (75, 26893092), (87, 23183700), (90, 22410910), (100, 20169819), (116, 17387775), (145, 13910220), (150, 13446546), (174, 11591850), (180, 11205455), (225, 8964364), (261, 7727900), (290, 6955110), (300, 6723273), (348, 5795925), (435, 4636740), (450, 4482182), (522, 3863950), (580, 3477555), (725, 2782044), (870, 2318370), (900, 2241091), (1044, 1931975), (1305, 1545580), (1450, 1391022), (1740, 1159185), (2175, 927348), (2610, 772790), (2900, 695511), (4350, 463674), (5220, 386395), (6525, 309116), (8700, 231837), (13050, 154558), (26100, 77279)]