208016820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3446

約数の個数: 144

約数和(自身を含む): 710760960

約数和(自身を除く): 502744140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3389, 3410, 4092, 5115, 5580, 6138, 6778, 6820, 10167, 10230, 12276, 13556, 15345, 16945, 20334, 20460, 30501, 30690, 33890, 37279, 40668, 50835, 61002, 61380, 67780, 74558, 101670, 105059, 111837, 122004, 149116, 152505, 186395, 203340, 210118, 223674, 305010, 315177, 335511, 372790, 420236, 447348, 525295, 559185, 610020, 630354, 671022, 745580, 945531, 1050590, 1118370, 1155649, 1260708, 1342044, 1575885, 1677555, 1891062, 2101180, 2236740, 2311298, 3151770, 3355110, 3466947, 3782124, 4622596, 4727655, 5778245, 6303540, 6710220, 6933894, 9455310, 10400841, 11556490, 13867788, 17334735, 18910620, 20801682, 23112980, 34669470, 41603364, 52004205, 69338940, 104008410, 208016820]

約数ペア:

[(1, 208016820), (2, 104008410), (3, 69338940), (4, 52004205), (5, 41603364), (6, 34669470), (9, 23112980), (10, 20801682), (11, 18910620), (12, 17334735), (15, 13867788), (18, 11556490), (20, 10400841), (22, 9455310), (30, 6933894), (31, 6710220), (33, 6303540), (36, 5778245), (44, 4727655), (45, 4622596), (55, 3782124), (60, 3466947), (62, 3355110), (66, 3151770), (90, 2311298), (93, 2236740), (99, 2101180), (110, 1891062), (124, 1677555), (132, 1575885), (155, 1342044), (165, 1260708), (180, 1155649), (186, 1118370), (198, 1050590), (220, 945531), (279, 745580), (310, 671022), (330, 630354), (341, 610020), (372, 559185), (396, 525295), (465, 447348), (495, 420236), (558, 372790), (620, 335511), (660, 315177), (682, 305010), (930, 223674), (990, 210118), (1023, 203340), (1116, 186395), (1364, 152505), (1395, 149116), (1705, 122004), (1860, 111837), (1980, 105059), (2046, 101670), (2790, 74558), (3069, 67780), (3389, 61380), (3410, 61002), (4092, 50835), (5115, 40668), (5580, 37279), (6138, 33890), (6778, 30690), (6820, 30501), (10167, 20460), (10230, 20334), (12276, 16945), (13556, 15345)]