15117620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 36747648

約数和(自身を除く): 21630028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1301, 1660, 2324, 2602, 2905, 5204, 5810, 6505, 9107, 11620, 13010, 18214, 26020, 36428, 45535, 91070, 107983, 182140, 215966, 431932, 539915, 755881, 1079830, 1511762, 2159660, 3023524, 3779405, 7558810, 15117620]

約数ペア:

[(1, 15117620), (2, 7558810), (4, 3779405), (5, 3023524), (7, 2159660), (10, 1511762), (14, 1079830), (20, 755881), (28, 539915), (35, 431932), (70, 215966), (83, 182140), (140, 107983), (166, 91070), (332, 45535), (415, 36428), (581, 26020), (830, 18214), (1162, 13010), (1301, 11620), (1660, 9107), (2324, 6505), (2602, 5810), (2905, 5204)]