31570980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75169}}^1$

素因数の和:75188

約数の個数: 48

約数和(自身を含む): 101028480

約数和(自身を除く): 69457500

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, 75169, 150338, 225507, 300676, 375845, 451014, 526183, 751690, 902028, 1052366, 1127535, 1503380, 1578549, 2104732, 2255070, 2630915, 3157098, 4510140, 5261830, 6314196, 7892745, 10523660, 15785490, 31570980]

約数ペア:

[(1, 31570980), (2, 15785490), (3, 10523660), (4, 7892745), (5, 6314196), (6, 5261830), (7, 4510140), (10, 3157098), (12, 2630915), (14, 2255070), (15, 2104732), (20, 1578549), (21, 1503380), (28, 1127535), (30, 1052366), (35, 902028), (42, 751690), (60, 526183), (70, 451014), (84, 375845), (105, 300676), (140, 225507), (210, 150338), (420, 75169)]