18836124720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{24971}}^1$

素因数の和:25443

約数の個数: 160

約数和(自身を含む): 66885004800

約数和(自身を除く): 48048880080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 449, 560, 840, 898, 1347, 1680, 1796, 2245, 2694, 3143, 3592, 4490, 5388, 6286, 6735, 7184, 8980, 9429, 10776, 12572, 13470, 15715, 17960, 18858, 21552, 24971, 25144, 26940, 31430, 35920, 37716, 47145, 49942, 50288, 53880, 62860, 74913, 75432, 94290, 99884, 107760, 124855, 125720, 149826, 150864, 174797, 188580, 199768, 249710, 251440, 299652, 349594, 374565, 377160, 399536, 499420, 524391, 599304, 699188, 749130, 754320, 873985, 998840, 1048782, 1198608, 1398376, 1498260, 1747970, 1997680, 2097564, 2621955, 2796752, 2996520, 3495940, 4195128, 5243910, 5993040, 6991880, 8390256, 10487820, 11211979, 13983760, 20975640, 22423958, 33635937, 41951280, 44847916, 56059895, 67271874, 78483853, 89695832, 112119790, 134543748, 156967706, 168179685, 179391664, 224239580, 235451559, 269087496, 313935412, 336359370, 392419265, 448479160, 470903118, 538174992, 627870824, 672718740, 784838530, 896958320, 941806236, 1177257795, 1255741648, 1345437480, 1569677060, 1883612472, 2354515590, 2690874960, 3139354120, 3767224944, 4709031180, 6278708240, 9418062360, 18836124720]

約数ペア:

[(1, 18836124720), (2, 9418062360), (3, 6278708240), (4, 4709031180), (5, 3767224944), (6, 3139354120), (7, 2690874960), (8, 2354515590), (10, 1883612472), (12, 1569677060), (14, 1345437480), (15, 1255741648), (16, 1177257795), (20, 941806236), (21, 896958320), (24, 784838530), (28, 672718740), (30, 627870824), (35, 538174992), (40, 470903118), (42, 448479160), (48, 392419265), (56, 336359370), (60, 313935412), (70, 269087496), (80, 235451559), (84, 224239580), (105, 179391664), (112, 168179685), (120, 156967706), (140, 134543748), (168, 112119790), (210, 89695832), (240, 78483853), (280, 67271874), (336, 56059895), (420, 44847916), (449, 41951280), (560, 33635937), (840, 22423958), (898, 20975640), (1347, 13983760), (1680, 11211979), (1796, 10487820), (2245, 8390256), (2694, 6991880), (3143, 5993040), (3592, 5243910), (4490, 4195128), (5388, 3495940), (6286, 2996520), (6735, 2796752), (7184, 2621955), (8980, 2097564), (9429, 1997680), (10776, 1747970), (12572, 1498260), (13470, 1398376), (15715, 1198608), (17960, 1048782), (18858, 998840), (21552, 873985), (24971, 754320), (25144, 749130), (26940, 699188), (31430, 599304), (35920, 524391), (37716, 499420), (47145, 399536), (49942, 377160), (50288, 374565), (53880, 349594), (62860, 299652), (74913, 251440), (75432, 249710), (94290, 199768), (99884, 188580), (107760, 174797), (124855, 150864), (125720, 149826)]