74967680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2917

約数の個数: 64

約数和(自身を含む): 183655080

約数和(自身を除く): 108687400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 2857, 3280, 5248, 5714, 6560, 11428, 13120, 14285, 22856, 26240, 28570, 45712, 57140, 91424, 114280, 117137, 182848, 228560, 234274, 365696, 457120, 468548, 585685, 914240, 937096, 1171370, 1828480, 1874192, 2342740, 3748384, 4685480, 7496768, 9370960, 14993536, 18741920, 37483840, 74967680]

約数ペア:

[(1, 74967680), (2, 37483840), (4, 18741920), (5, 14993536), (8, 9370960), (10, 7496768), (16, 4685480), (20, 3748384), (32, 2342740), (40, 1874192), (41, 1828480), (64, 1171370), (80, 937096), (82, 914240), (128, 585685), (160, 468548), (164, 457120), (205, 365696), (320, 234274), (328, 228560), (410, 182848), (640, 117137), (656, 114280), (820, 91424), (1312, 57140), (1640, 45712), (2624, 28570), (2857, 26240), (3280, 22856), (5248, 14285), (5714, 13120), (6560, 11428)]