161719040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18049}}^1$

素因数の和:18077

約数の個数: 72

約数和(自身を含む): 442730400

約数和(自身を除く): 281011360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18049, 36098, 72196, 90245, 126343, 144392, 180490, 252686, 288784, 360980, 505372, 577568, 631715, 721960, 1010744, 1155136, 1263430, 1443920, 2021488, 2310272, 2526860, 2887840, 4042976, 4620544, 5053720, 5775680, 8085952, 10107440, 11551360, 16171904, 20214880, 23102720, 32343808, 40429760, 80859520, 161719040]

約数ペア:

[(1, 161719040), (2, 80859520), (4, 40429760), (5, 32343808), (7, 23102720), (8, 20214880), (10, 16171904), (14, 11551360), (16, 10107440), (20, 8085952), (28, 5775680), (32, 5053720), (35, 4620544), (40, 4042976), (56, 2887840), (64, 2526860), (70, 2310272), (80, 2021488), (112, 1443920), (128, 1263430), (140, 1155136), (160, 1010744), (224, 721960), (256, 631715), (280, 577568), (320, 505372), (448, 360980), (560, 288784), (640, 252686), (896, 180490), (1120, 144392), (1280, 126343), (1792, 90245), (2240, 72196), (4480, 36098), (8960, 18049)]