207918540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31219}}^1$

素因数の和:31271

約数の個数: 72

約数和(自身を含む): 647752560

約数和(自身を除く): 439834020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31219, 62438, 93657, 124876, 156095, 187314, 280971, 312190, 374628, 468285, 561942, 624380, 936570, 1123884, 1155103, 1404855, 1873140, 2310206, 2809710, 3465309, 4620412, 5619420, 5775515, 6930618, 10395927, 11551030, 13861236, 17326545, 20791854, 23102060, 34653090, 41583708, 51979635, 69306180, 103959270, 207918540]

約数ペア:

[(1, 207918540), (2, 103959270), (3, 69306180), (4, 51979635), (5, 41583708), (6, 34653090), (9, 23102060), (10, 20791854), (12, 17326545), (15, 13861236), (18, 11551030), (20, 10395927), (30, 6930618), (36, 5775515), (37, 5619420), (45, 4620412), (60, 3465309), (74, 2809710), (90, 2310206), (111, 1873140), (148, 1404855), (180, 1155103), (185, 1123884), (222, 936570), (333, 624380), (370, 561942), (444, 468285), (555, 374628), (666, 312190), (740, 280971), (1110, 187314), (1332, 156095), (1665, 124876), (2220, 93657), (3330, 62438), (6660, 31219)]