19730640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 41872560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 359, 458, 687, 718, 916, 1077, 1145, 1374, 1436, 1795, 1832, 2154, 2290, 2748, 2872, 3435, 3590, 3664, 4308, 4580, 5385, 5496, 5744, 6870, 7180, 8616, 9160, 10770, 10992, 13740, 14360, 17232, 18320, 21540, 27480, 28720, 43080, 54960, 82211, 86160, 164422, 246633, 328844, 411055, 493266, 657688, 822110, 986532, 1233165, 1315376, 1644220, 1973064, 2466330, 3288440, 3946128, 4932660, 6576880, 9865320, 19730640]

約数ペア:

[(1, 19730640), (2, 9865320), (3, 6576880), (4, 4932660), (5, 3946128), (6, 3288440), (8, 2466330), (10, 1973064), (12, 1644220), (15, 1315376), (16, 1233165), (20, 986532), (24, 822110), (30, 657688), (40, 493266), (48, 411055), (60, 328844), (80, 246633), (120, 164422), (229, 86160), (240, 82211), (359, 54960), (458, 43080), (687, 28720), (718, 27480), (916, 21540), (1077, 18320), (1145, 17232), (1374, 14360), (1436, 13740), (1795, 10992), (1832, 10770), (2154, 9160), (2290, 8616), (2748, 7180), (2872, 6870), (3435, 5744), (3590, 5496), (3664, 5385), (4308, 4580)]