81186240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4490

約数の個数: 112

約数和(自身を含む): 271393920

約数和(自身を除く): 190207680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4451, 4560, 6080, 8902, 9120, 13353, 17804, 18240, 22255, 26706, 35608, 44510, 53412, 66765, 71216, 84569, 89020, 106824, 133530, 142432, 169138, 178040, 213648, 253707, 267060, 284864, 338276, 356080, 422845, 427296, 507414, 534120, 676552, 712160, 845690, 854592, 1014828, 1068240, 1268535, 1353104, 1424320, 1691380, 2029656, 2136480, 2537070, 2706208, 3382760, 4059312, 4272960, 5074140, 5412416, 6765520, 8118624, 10148280, 13531040, 16237248, 20296560, 27062080, 40593120, 81186240]

約数ペア:

[(1, 81186240), (2, 40593120), (3, 27062080), (4, 20296560), (5, 16237248), (6, 13531040), (8, 10148280), (10, 8118624), (12, 6765520), (15, 5412416), (16, 5074140), (19, 4272960), (20, 4059312), (24, 3382760), (30, 2706208), (32, 2537070), (38, 2136480), (40, 2029656), (48, 1691380), (57, 1424320), (60, 1353104), (64, 1268535), (76, 1068240), (80, 1014828), (95, 854592), (96, 845690), (114, 712160), (120, 676552), (152, 534120), (160, 507414), (190, 427296), (192, 422845), (228, 356080), (240, 338276), (285, 284864), (304, 267060), (320, 253707), (380, 213648), (456, 178040), (480, 169138), (570, 142432), (608, 133530), (760, 106824), (912, 89020), (960, 84569), (1140, 71216), (1216, 66765), (1520, 53412), (1824, 44510), (2280, 35608), (3040, 26706), (3648, 22255), (4451, 18240), (4560, 17804), (6080, 13353), (8902, 9120)]