18281280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 112

約数和(自身を含む): 58887360

約数和(自身を除く): 40606080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 137, 139, 160, 192, 240, 274, 278, 320, 411, 417, 480, 548, 556, 685, 695, 822, 834, 960, 1096, 1112, 1370, 1390, 1644, 1668, 2055, 2085, 2192, 2224, 2740, 2780, 3288, 3336, 4110, 4170, 4384, 4448, 5480, 5560, 6576, 6672, 8220, 8340, 8768, 8896, 10960, 11120, 13152, 13344, 16440, 16680, 19043, 21920, 22240, 26304, 26688, 32880, 33360, 38086, 43840, 44480, 57129, 65760, 66720, 76172, 95215, 114258, 131520, 133440, 152344, 190430, 228516, 285645, 304688, 380860, 457032, 571290, 609376, 761720, 914064, 1142580, 1218752, 1523440, 1828128, 2285160, 3046880, 3656256, 4570320, 6093760, 9140640, 18281280]

約数ペア:

[(1, 18281280), (2, 9140640), (3, 6093760), (4, 4570320), (5, 3656256), (6, 3046880), (8, 2285160), (10, 1828128), (12, 1523440), (15, 1218752), (16, 1142580), (20, 914064), (24, 761720), (30, 609376), (32, 571290), (40, 457032), (48, 380860), (60, 304688), (64, 285645), (80, 228516), (96, 190430), (120, 152344), (137, 133440), (139, 131520), (160, 114258), (192, 95215), (240, 76172), (274, 66720), (278, 65760), (320, 57129), (411, 44480), (417, 43840), (480, 38086), (548, 33360), (556, 32880), (685, 26688), (695, 26304), (822, 22240), (834, 21920), (960, 19043), (1096, 16680), (1112, 16440), (1370, 13344), (1390, 13152), (1644, 11120), (1668, 10960), (2055, 8896), (2085, 8768), (2192, 8340), (2224, 8220), (2740, 6672), (2780, 6576), (3288, 5560), (3336, 5480), (4110, 4448), (4170, 4384)]