74961680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15361}}^1$

素因数の和:15435

約数の個数: 40

約数和(自身を含む): 177154584

約数和(自身を除く): 102192904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15361, 30722, 61444, 76805, 122888, 153610, 245776, 307220, 614440, 937021, 1228880, 1874042, 3748084, 4685105, 7496168, 9370210, 14992336, 18740420, 37480840, 74961680]

約数ペア:

[(1, 74961680), (2, 37480840), (4, 18740420), (5, 14992336), (8, 9370210), (10, 7496168), (16, 4685105), (20, 3748084), (40, 1874042), (61, 1228880), (80, 937021), (122, 614440), (244, 307220), (305, 245776), (488, 153610), (610, 122888), (976, 76805), (1220, 61444), (2440, 30722), (4880, 15361)]