31591140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75217}}^1$

素因数の和:75236

約数の個数: 48

約数和(自身を含む): 101092992

約数和(自身を除く): 69501852

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, 75217, 150434, 225651, 300868, 376085, 451302, 526519, 752170, 902604, 1053038, 1128255, 1504340, 1579557, 2106076, 2256510, 2632595, 3159114, 4513020, 5265190, 6318228, 7897785, 10530380, 15795570, 31591140]

約数ペア:

[(1, 31591140), (2, 15795570), (3, 10530380), (4, 7897785), (5, 6318228), (6, 5265190), (7, 4513020), (10, 3159114), (12, 2632595), (14, 2256510), (15, 2106076), (20, 1579557), (21, 1504340), (28, 1128255), (30, 1053038), (35, 902604), (42, 752170), (60, 526519), (70, 451302), (84, 376085), (105, 300868), (140, 225651), (210, 150434), (420, 75217)]