18717480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 64686600

約数和(自身を除く): 45969120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 81, 90, 106, 108, 109, 120, 135, 159, 162, 180, 212, 216, 218, 265, 270, 318, 324, 327, 360, 405, 424, 436, 477, 530, 540, 545, 636, 648, 654, 795, 810, 872, 954, 981, 1060, 1080, 1090, 1272, 1308, 1431, 1590, 1620, 1635, 1908, 1962, 2120, 2180, 2385, 2616, 2862, 2943, 3180, 3240, 3270, 3816, 3924, 4293, 4360, 4770, 4905, 5724, 5777, 5886, 6360, 6540, 7155, 7848, 8586, 8829, 9540, 9810, 11448, 11554, 11772, 13080, 14310, 14715, 17172, 17331, 17658, 19080, 19620, 21465, 23108, 23544, 28620, 28885, 29430, 34344, 34662, 35316, 39240, 42930, 44145, 46216, 51993, 57240, 57770, 58860, 69324, 70632, 85860, 86655, 88290, 103986, 115540, 117720, 138648, 155979, 171720, 173310, 176580, 207972, 231080, 259965, 311958, 346620, 353160, 415944, 467937, 519930, 623916, 693240, 779895, 935874, 1039860, 1247832, 1559790, 1871748, 2079720, 2339685, 3119580, 3743496, 4679370, 6239160, 9358740, 18717480]

約数ペア:

[(1, 18717480), (2, 9358740), (3, 6239160), (4, 4679370), (5, 3743496), (6, 3119580), (8, 2339685), (9, 2079720), (10, 1871748), (12, 1559790), (15, 1247832), (18, 1039860), (20, 935874), (24, 779895), (27, 693240), (30, 623916), (36, 519930), (40, 467937), (45, 415944), (53, 353160), (54, 346620), (60, 311958), (72, 259965), (81, 231080), (90, 207972), (106, 176580), (108, 173310), (109, 171720), (120, 155979), (135, 138648), (159, 117720), (162, 115540), (180, 103986), (212, 88290), (216, 86655), (218, 85860), (265, 70632), (270, 69324), (318, 58860), (324, 57770), (327, 57240), (360, 51993), (405, 46216), (424, 44145), (436, 42930), (477, 39240), (530, 35316), (540, 34662), (545, 34344), (636, 29430), (648, 28885), (654, 28620), (795, 23544), (810, 23108), (872, 21465), (954, 19620), (981, 19080), (1060, 17658), (1080, 17331), (1090, 17172), (1272, 14715), (1308, 14310), (1431, 13080), (1590, 11772), (1620, 11554), (1635, 11448), (1908, 9810), (1962, 9540), (2120, 8829), (2180, 8586), (2385, 7848), (2616, 7155), (2862, 6540), (2943, 6360), (3180, 5886), (3240, 5777), (3270, 5724), (3816, 4905), (3924, 4770), (4293, 4360)]