157885840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40277}}^1$

素因数の和:40304

約数の個数: 60

約数和(自身を含む): 427027356

約数和(自身を除く): 269141516

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40277, 80554, 161108, 201385, 281939, 322216, 402770, 563878, 644432, 805540, 1127756, 1409695, 1611080, 1973573, 2255512, 2819390, 3222160, 3947146, 4511024, 5638780, 7894292, 9867865, 11277560, 15788584, 19735730, 22555120, 31577168, 39471460, 78942920, 157885840]

約数ペア:

[(1, 157885840), (2, 78942920), (4, 39471460), (5, 31577168), (7, 22555120), (8, 19735730), (10, 15788584), (14, 11277560), (16, 9867865), (20, 7894292), (28, 5638780), (35, 4511024), (40, 3947146), (49, 3222160), (56, 2819390), (70, 2255512), (80, 1973573), (98, 1611080), (112, 1409695), (140, 1127756), (196, 805540), (245, 644432), (280, 563878), (392, 402770), (490, 322216), (560, 281939), (784, 201385), (980, 161108), (1960, 80554), (3920, 40277)]