31612980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75269}}^1$

素因数の和:75288

約数の個数: 48

約数和(自身を含む): 101162880

約数和(自身を除く): 69549900

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, 75269, 150538, 225807, 301076, 376345, 451614, 526883, 752690, 903228, 1053766, 1129035, 1505380, 1580649, 2107532, 2258070, 2634415, 3161298, 4516140, 5268830, 6322596, 7903245, 10537660, 15806490, 31612980]

約数ペア:

[(1, 31612980), (2, 15806490), (3, 10537660), (4, 7903245), (5, 6322596), (6, 5268830), (7, 4516140), (10, 3161298), (12, 2634415), (14, 2258070), (15, 2107532), (20, 1580649), (21, 1505380), (28, 1129035), (30, 1053766), (35, 903228), (42, 752690), (60, 526883), (70, 451614), (84, 376345), (105, 301076), (140, 225807), (210, 150538), (420, 75269)]