217938720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{454039}}^1$

素因数の和:454057

約数の個数: 48

約数和(自身を含む): 686508480

約数和(自身を除く): 468569760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 454039, 908078, 1362117, 1816156, 2270195, 2724234, 3632312, 4540390, 5448468, 6810585, 7264624, 9080780, 10896936, 13621170, 14529248, 18161560, 21793872, 27242340, 36323120, 43587744, 54484680, 72646240, 108969360, 217938720]

約数ペア:

[(1, 217938720), (2, 108969360), (3, 72646240), (4, 54484680), (5, 43587744), (6, 36323120), (8, 27242340), (10, 21793872), (12, 18161560), (15, 14529248), (16, 13621170), (20, 10896936), (24, 9080780), (30, 7264624), (32, 6810585), (40, 5448468), (48, 4540390), (60, 3632312), (80, 2724234), (96, 2270195), (120, 1816156), (160, 1362117), (240, 908078), (480, 454039)]