72166720

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2195

約数の個数: 56

約数和(自身を含む): 173507400

約数和(自身を除く): 101340680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2069, 2180, 3488, 4138, 4360, 6976, 8276, 8720, 10345, 16552, 17440, 20690, 33104, 34880, 41380, 66208, 82760, 132416, 165520, 225521, 331040, 451042, 662080, 902084, 1127605, 1804168, 2255210, 3608336, 4510420, 7216672, 9020840, 14433344, 18041680, 36083360, 72166720]

約数ペア:

[(1, 72166720), (2, 36083360), (4, 18041680), (5, 14433344), (8, 9020840), (10, 7216672), (16, 4510420), (20, 3608336), (32, 2255210), (40, 1804168), (64, 1127605), (80, 902084), (109, 662080), (160, 451042), (218, 331040), (320, 225521), (436, 165520), (545, 132416), (872, 82760), (1090, 66208), (1744, 41380), (2069, 34880), (2180, 33104), (3488, 20690), (4138, 17440), (4360, 16552), (6976, 10345), (8276, 8720)]