31218390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{7079}}^1$

素因数の和:7106

約数の個数: 72

約数和(自身を含む): 94433040

約数和(自身を除く): 63214650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 7079, 14158, 21237, 35395, 42474, 49553, 63711, 70790, 99106, 106185, 127422, 148659, 212370, 247765, 297318, 318555, 346871, 445977, 495530, 637110, 693742, 743295, 891954, 1040613, 1486590, 1734355, 2081226, 2229885, 3121839, 3468710, 4459770, 5203065, 6243678, 10406130, 15609195, 31218390]

約数ペア:

[(1, 31218390), (2, 15609195), (3, 10406130), (5, 6243678), (6, 5203065), (7, 4459770), (9, 3468710), (10, 3121839), (14, 2229885), (15, 2081226), (18, 1734355), (21, 1486590), (30, 1040613), (35, 891954), (42, 743295), (45, 693742), (49, 637110), (63, 495530), (70, 445977), (90, 346871), (98, 318555), (105, 297318), (126, 247765), (147, 212370), (210, 148659), (245, 127422), (294, 106185), (315, 99106), (441, 70790), (490, 63711), (630, 49553), (735, 42474), (882, 35395), (1470, 21237), (2205, 14158), (4410, 7079)]