85172100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21869

約数の個数: 72

約数和(自身を含む): 265399680

約数和(自身を除く): 180227580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 21839, 43678, 65517, 87356, 109195, 131034, 218390, 262068, 283907, 327585, 436780, 545975, 567814, 655170, 851721, 1091950, 1135628, 1310340, 1419535, 1637925, 1703442, 2183900, 2839070, 3275850, 3406884, 4258605, 5678140, 6551700, 7097675, 8517210, 14195350, 17034420, 21293025, 28390700, 42586050, 85172100]

約数ペア:

[(1, 85172100), (2, 42586050), (3, 28390700), (4, 21293025), (5, 17034420), (6, 14195350), (10, 8517210), (12, 7097675), (13, 6551700), (15, 5678140), (20, 4258605), (25, 3406884), (26, 3275850), (30, 2839070), (39, 2183900), (50, 1703442), (52, 1637925), (60, 1419535), (65, 1310340), (75, 1135628), (78, 1091950), (100, 851721), (130, 655170), (150, 567814), (156, 545975), (195, 436780), (260, 327585), (300, 283907), (325, 262068), (390, 218390), (650, 131034), (780, 109195), (975, 87356), (1300, 65517), (1950, 43678), (3900, 21839)]