18108540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2719}}^1$

素因数の和:2771

約数の個数: 72

約数和(自身を含む): 56434560

約数和(自身を除く): 38326020

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, 2719, 3330, 5438, 6660, 8157, 10876, 13595, 16314, 24471, 27190, 32628, 40785, 48942, 54380, 81570, 97884, 100603, 122355, 163140, 201206, 244710, 301809, 402412, 489420, 503015, 603618, 905427, 1006030, 1207236, 1509045, 1810854, 2012060, 3018090, 3621708, 4527135, 6036180, 9054270, 18108540]

約数ペア:

[(1, 18108540), (2, 9054270), (3, 6036180), (4, 4527135), (5, 3621708), (6, 3018090), (9, 2012060), (10, 1810854), (12, 1509045), (15, 1207236), (18, 1006030), (20, 905427), (30, 603618), (36, 503015), (37, 489420), (45, 402412), (60, 301809), (74, 244710), (90, 201206), (111, 163140), (148, 122355), (180, 100603), (185, 97884), (222, 81570), (333, 54380), (370, 48942), (444, 40785), (555, 32628), (666, 27190), (740, 24471), (1110, 16314), (1332, 13595), (1665, 10876), (2220, 8157), (2719, 6660), (3330, 5438)]