19602720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13613}}^1$

素因数の和:13634

約数の個数: 72

約数和(自身を含む): 66899196

約数和(自身を除く): 47296476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13613, 27226, 40839, 54452, 68065, 81678, 108904, 122517, 136130, 163356, 204195, 217808, 245034, 272260, 326712, 408390, 435616, 490068, 544520, 612585, 653424, 816780, 980136, 1089040, 1225170, 1306848, 1633560, 1960272, 2178080, 2450340, 3267120, 3920544, 4900680, 6534240, 9801360, 19602720]

約数ペア:

[(1, 19602720), (2, 9801360), (3, 6534240), (4, 4900680), (5, 3920544), (6, 3267120), (8, 2450340), (9, 2178080), (10, 1960272), (12, 1633560), (15, 1306848), (16, 1225170), (18, 1089040), (20, 980136), (24, 816780), (30, 653424), (32, 612585), (36, 544520), (40, 490068), (45, 435616), (48, 408390), (60, 326712), (72, 272260), (80, 245034), (90, 217808), (96, 204195), (120, 163356), (144, 136130), (160, 122517), (180, 108904), (240, 81678), (288, 68065), (360, 54452), (480, 40839), (720, 27226), (1440, 13613)]