15393920

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 37454400

約数和(自身を除く): 22060480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 359, 536, 640, 670, 718, 1072, 1340, 1436, 1795, 2144, 2680, 2872, 3590, 4288, 5360, 5744, 7180, 8576, 10720, 11488, 14360, 21440, 22976, 24053, 28720, 42880, 45952, 48106, 57440, 96212, 114880, 120265, 192424, 229760, 240530, 384848, 481060, 769696, 962120, 1539392, 1924240, 3078784, 3848480, 7696960, 15393920]

約数ペア:

[(1, 15393920), (2, 7696960), (4, 3848480), (5, 3078784), (8, 1924240), (10, 1539392), (16, 962120), (20, 769696), (32, 481060), (40, 384848), (64, 240530), (67, 229760), (80, 192424), (128, 120265), (134, 114880), (160, 96212), (268, 57440), (320, 48106), (335, 45952), (359, 42880), (536, 28720), (640, 24053), (670, 22976), (718, 21440), (1072, 14360), (1340, 11488), (1436, 10720), (1795, 8576), (2144, 7180), (2680, 5744), (2872, 5360), (3590, 4288)]