49147380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 150243912

約数和(自身を除く): 101096532

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, 1993, 2055, 2466, 2740, 3986, 4110, 4932, 5979, 6165, 7972, 8220, 9965, 11958, 12330, 17937, 19930, 23916, 24660, 29895, 35874, 39860, 59790, 71748, 89685, 119580, 179370, 273041, 358740, 546082, 819123, 1092164, 1365205, 1638246, 2457369, 2730410, 3276492, 4095615, 4914738, 5460820, 8191230, 9829476, 12286845, 16382460, 24573690, 49147380]

約数ペア:

[(1, 49147380), (2, 24573690), (3, 16382460), (4, 12286845), (5, 9829476), (6, 8191230), (9, 5460820), (10, 4914738), (12, 4095615), (15, 3276492), (18, 2730410), (20, 2457369), (30, 1638246), (36, 1365205), (45, 1092164), (60, 819123), (90, 546082), (137, 358740), (180, 273041), (274, 179370), (411, 119580), (548, 89685), (685, 71748), (822, 59790), (1233, 39860), (1370, 35874), (1644, 29895), (1993, 24660), (2055, 23916), (2466, 19930), (2740, 17937), (3986, 12330), (4110, 11958), (4932, 9965), (5979, 8220), (6165, 7972)]