248715720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:556

約数の個数: 192

約数和(自身を含む): 889237440

約数和(自身を除く): 640521720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 181, 198, 220, 264, 330, 347, 360, 362, 396, 440, 495, 543, 660, 694, 724, 792, 905, 990, 1041, 1086, 1320, 1388, 1448, 1629, 1735, 1810, 1980, 1991, 2082, 2172, 2715, 2776, 3123, 3258, 3470, 3620, 3817, 3960, 3982, 4164, 4344, 5205, 5430, 5973, 6246, 6516, 6940, 7240, 7634, 7964, 8145, 8328, 9955, 10410, 10860, 11451, 11946, 12492, 13032, 13880, 15268, 15615, 15928, 16290, 17919, 19085, 19910, 20820, 21720, 22902, 23892, 24984, 29865, 30536, 31230, 32580, 34353, 35838, 38170, 39820, 41640, 45804, 47784, 57255, 59730, 62460, 62807, 65160, 68706, 71676, 76340, 79640, 89595, 91608, 114510, 119460, 124920, 125614, 137412, 143352, 152680, 171765, 179190, 188421, 229020, 238920, 251228, 274824, 314035, 343530, 358380, 376842, 458040, 502456, 565263, 628070, 687060, 690877, 716760, 753684, 942105, 1130526, 1256140, 1374120, 1381754, 1507368, 1884210, 2072631, 2261052, 2512280, 2763508, 2826315, 3454385, 3768420, 4145262, 4522104, 5527016, 5652630, 6217893, 6908770, 7536840, 8290524, 10363155, 11305260, 12435786, 13817540, 16581048, 20726310, 22610520, 24871572, 27635080, 31089465, 41452620, 49743144, 62178930, 82905240, 124357860, 248715720]

約数ペア:

[(1, 248715720), (2, 124357860), (3, 82905240), (4, 62178930), (5, 49743144), (6, 41452620), (8, 31089465), (9, 27635080), (10, 24871572), (11, 22610520), (12, 20726310), (15, 16581048), (18, 13817540), (20, 12435786), (22, 11305260), (24, 10363155), (30, 8290524), (33, 7536840), (36, 6908770), (40, 6217893), (44, 5652630), (45, 5527016), (55, 4522104), (60, 4145262), (66, 3768420), (72, 3454385), (88, 2826315), (90, 2763508), (99, 2512280), (110, 2261052), (120, 2072631), (132, 1884210), (165, 1507368), (180, 1381754), (181, 1374120), (198, 1256140), (220, 1130526), (264, 942105), (330, 753684), (347, 716760), (360, 690877), (362, 687060), (396, 628070), (440, 565263), (495, 502456), (543, 458040), (660, 376842), (694, 358380), (724, 343530), (792, 314035), (905, 274824), (990, 251228), (1041, 238920), (1086, 229020), (1320, 188421), (1388, 179190), (1448, 171765), (1629, 152680), (1735, 143352), (1810, 137412), (1980, 125614), (1991, 124920), (2082, 119460), (2172, 114510), (2715, 91608), (2776, 89595), (3123, 79640), (3258, 76340), (3470, 71676), (3620, 68706), (3817, 65160), (3960, 62807), (3982, 62460), (4164, 59730), (4344, 57255), (5205, 47784), (5430, 45804), (5973, 41640), (6246, 39820), (6516, 38170), (6940, 35838), (7240, 34353), (7634, 32580), (7964, 31230), (8145, 30536), (8328, 29865), (9955, 24984), (10410, 23892), (10860, 22902), (11451, 21720), (11946, 20820), (12492, 19910), (13032, 19085), (13880, 17919), (15268, 16290), (15615, 15928)]