87451140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208217}}^1$

素因数の和:208236

約数の個数: 48

約数和(自身を含む): 279844992

約数和(自身を除く): 192393852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208217, 416434, 624651, 832868, 1041085, 1249302, 1457519, 2082170, 2498604, 2915038, 3123255, 4164340, 4372557, 5830076, 6246510, 7287595, 8745114, 12493020, 14575190, 17490228, 21862785, 29150380, 43725570, 87451140]

約数ペア:

[(1, 87451140), (2, 43725570), (3, 29150380), (4, 21862785), (5, 17490228), (6, 14575190), (7, 12493020), (10, 8745114), (12, 7287595), (14, 6246510), (15, 5830076), (20, 4372557), (21, 4164340), (28, 3123255), (30, 2915038), (35, 2498604), (42, 2082170), (60, 1457519), (70, 1249302), (84, 1041085), (105, 832868), (140, 624651), (210, 416434), (420, 208217)]