56512720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 144633600

約数和(自身を除く): 88120880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 431, 440, 596, 745, 862, 880, 1192, 1490, 1639, 1724, 2155, 2384, 2980, 3278, 3448, 4310, 4741, 5960, 6556, 6896, 8195, 8620, 9482, 11920, 13112, 16390, 17240, 18964, 23705, 26224, 32780, 34480, 37928, 47410, 64219, 65560, 75856, 94820, 128438, 131120, 189640, 256876, 321095, 379280, 513752, 642190, 706409, 1027504, 1284380, 1412818, 2568760, 2825636, 3532045, 5137520, 5651272, 7064090, 11302544, 14128180, 28256360, 56512720]

約数ペア:

[(1, 56512720), (2, 28256360), (4, 14128180), (5, 11302544), (8, 7064090), (10, 5651272), (11, 5137520), (16, 3532045), (20, 2825636), (22, 2568760), (40, 1412818), (44, 1284380), (55, 1027504), (80, 706409), (88, 642190), (110, 513752), (149, 379280), (176, 321095), (220, 256876), (298, 189640), (431, 131120), (440, 128438), (596, 94820), (745, 75856), (862, 65560), (880, 64219), (1192, 47410), (1490, 37928), (1639, 34480), (1724, 32780), (2155, 26224), (2384, 23705), (2980, 18964), (3278, 17240), (3448, 16390), (4310, 13112), (4741, 11920), (5960, 9482), (6556, 8620), (6896, 8195)]