215010540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8719}}^1$

素因数の和:8871

約数の個数: 72

約数和(自身を含む): 657034560

約数和(自身を除く): 442024020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 8719, 12330, 17438, 24660, 26157, 34876, 43595, 52314, 78471, 87190, 104628, 130785, 156942, 174380, 261570, 313884, 392355, 523140, 784710, 1194503, 1569420, 2389006, 3583509, 4778012, 5972515, 7167018, 10750527, 11945030, 14334036, 17917545, 21501054, 23890060, 35835090, 43002108, 53752635, 71670180, 107505270, 215010540]

約数ペア:

[(1, 215010540), (2, 107505270), (3, 71670180), (4, 53752635), (5, 43002108), (6, 35835090), (9, 23890060), (10, 21501054), (12, 17917545), (15, 14334036), (18, 11945030), (20, 10750527), (30, 7167018), (36, 5972515), (45, 4778012), (60, 3583509), (90, 2389006), (137, 1569420), (180, 1194503), (274, 784710), (411, 523140), (548, 392355), (685, 313884), (822, 261570), (1233, 174380), (1370, 156942), (1644, 130785), (2055, 104628), (2466, 87190), (2740, 78471), (4110, 52314), (4932, 43595), (6165, 34876), (8220, 26157), (8719, 24660), (12330, 17438)]