47081720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{929}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 121867200

約数和(自身を除く): 74785480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 929, 1267, 1448, 1810, 1858, 2534, 3620, 3716, 4645, 5068, 6335, 6503, 7240, 7432, 9290, 10136, 12670, 13006, 18580, 25340, 26012, 32515, 37160, 50680, 52024, 65030, 130060, 168149, 260120, 336298, 672596, 840745, 1177043, 1345192, 1681490, 2354086, 3362980, 4708172, 5885215, 6725960, 9416344, 11770430, 23540860, 47081720]

約数ペア:

[(1, 47081720), (2, 23540860), (4, 11770430), (5, 9416344), (7, 6725960), (8, 5885215), (10, 4708172), (14, 3362980), (20, 2354086), (28, 1681490), (35, 1345192), (40, 1177043), (56, 840745), (70, 672596), (140, 336298), (181, 260120), (280, 168149), (362, 130060), (724, 65030), (905, 52024), (929, 50680), (1267, 37160), (1448, 32515), (1810, 26012), (1858, 25340), (2534, 18580), (3620, 13006), (3716, 12670), (4645, 10136), (5068, 9290), (6335, 7432), (6503, 7240)]