121131720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1980

約数の個数: 128

約数和(自身を含む): 410832000

約数和(自身を除く): 289700280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 531, 540, 590, 708, 885, 1062, 1080, 1180, 1416, 1593, 1770, 1901, 2124, 2360, 2655, 3186, 3540, 3802, 4248, 5310, 5703, 6372, 7080, 7604, 7965, 9505, 10620, 11406, 12744, 15208, 15930, 17109, 19010, 21240, 22812, 28515, 31860, 34218, 38020, 45624, 51327, 57030, 63720, 68436, 76040, 85545, 102654, 112159, 114060, 136872, 171090, 205308, 224318, 228120, 256635, 336477, 342180, 410616, 448636, 513270, 560795, 672954, 684360, 897272, 1009431, 1026540, 1121590, 1345908, 1682385, 2018862, 2053080, 2243180, 2691816, 3028293, 3364770, 4037724, 4486360, 5047155, 6056586, 6729540, 8075448, 10094310, 12113172, 13459080, 15141465, 20188620, 24226344, 30282930, 40377240, 60565860, 121131720]

約数ペア:

[(1, 121131720), (2, 60565860), (3, 40377240), (4, 30282930), (5, 24226344), (6, 20188620), (8, 15141465), (9, 13459080), (10, 12113172), (12, 10094310), (15, 8075448), (18, 6729540), (20, 6056586), (24, 5047155), (27, 4486360), (30, 4037724), (36, 3364770), (40, 3028293), (45, 2691816), (54, 2243180), (59, 2053080), (60, 2018862), (72, 1682385), (90, 1345908), (108, 1121590), (118, 1026540), (120, 1009431), (135, 897272), (177, 684360), (180, 672954), (216, 560795), (236, 513270), (270, 448636), (295, 410616), (354, 342180), (360, 336477), (472, 256635), (531, 228120), (540, 224318), (590, 205308), (708, 171090), (885, 136872), (1062, 114060), (1080, 112159), (1180, 102654), (1416, 85545), (1593, 76040), (1770, 68436), (1901, 63720), (2124, 57030), (2360, 51327), (2655, 45624), (3186, 38020), (3540, 34218), (3802, 31860), (4248, 28515), (5310, 22812), (5703, 21240), (6372, 19010), (7080, 17109), (7604, 15930), (7965, 15208), (9505, 12744), (10620, 11406)]