67721920

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 112

約数和(自身を含む): 188366400

約数和(自身を除く): 120644480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 617, 686, 784, 980, 1120, 1234, 1372, 1568, 1715, 1960, 2240, 2468, 2744, 3085, 3136, 3430, 3920, 4319, 4936, 5488, 6170, 6860, 7840, 8638, 9872, 10976, 12340, 13720, 15680, 17276, 19744, 21595, 21952, 24680, 27440, 30233, 34552, 39488, 43190, 49360, 54880, 60466, 69104, 86380, 98720, 109760, 120932, 138208, 151165, 172760, 197440, 211631, 241864, 276416, 302330, 345520, 423262, 483728, 604660, 691040, 846524, 967456, 1058155, 1209320, 1382080, 1693048, 1934912, 2116310, 2418640, 3386096, 4232620, 4837280, 6772192, 8465240, 9674560, 13544384, 16930480, 33860960, 67721920]

約数ペア:

[(1, 67721920), (2, 33860960), (4, 16930480), (5, 13544384), (7, 9674560), (8, 8465240), (10, 6772192), (14, 4837280), (16, 4232620), (20, 3386096), (28, 2418640), (32, 2116310), (35, 1934912), (40, 1693048), (49, 1382080), (56, 1209320), (64, 1058155), (70, 967456), (80, 846524), (98, 691040), (112, 604660), (140, 483728), (160, 423262), (196, 345520), (224, 302330), (245, 276416), (280, 241864), (320, 211631), (343, 197440), (392, 172760), (448, 151165), (490, 138208), (560, 120932), (617, 109760), (686, 98720), (784, 86380), (980, 69104), (1120, 60466), (1234, 54880), (1372, 49360), (1568, 43190), (1715, 39488), (1960, 34552), (2240, 30233), (2468, 27440), (2744, 24680), (3085, 21952), (3136, 21595), (3430, 19744), (3920, 17276), (4319, 15680), (4936, 13720), (5488, 12340), (6170, 10976), (6860, 9872), (7840, 8638)]