1971781920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15739}}^1$

素因数の和:15792

約数の個数: 192

約数和(自身を含む): 7139664000

約数和(自身を除く): 5167882080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 232, 240, 261, 270, 288, 290, 348, 360, 432, 435, 464, 480, 522, 540, 580, 696, 720, 783, 864, 870, 928, 1044, 1080, 1160, 1305, 1392, 1440, 1566, 1740, 2088, 2160, 2320, 2610, 2784, 3132, 3480, 3915, 4176, 4320, 4640, 5220, 6264, 6960, 7830, 8352, 10440, 12528, 13920, 15660, 15739, 20880, 25056, 31320, 31478, 41760, 47217, 62640, 62956, 78695, 94434, 125280, 125912, 141651, 157390, 188868, 236085, 251824, 283302, 314780, 377736, 424953, 456431, 472170, 503648, 566604, 629560, 708255, 755472, 849906, 912862, 944340, 1133208, 1259120, 1369293, 1416510, 1510944, 1699812, 1825724, 1888680, 2124765, 2266416, 2282155, 2518240, 2738586, 2833020, 3399624, 3651448, 3777360, 4107879, 4249530, 4532832, 4564310, 5477172, 5666040, 6799248, 6846465, 7302896, 7554720, 8215758, 8499060, 9128620, 10954344, 11332080, 12323637, 13598496, 13692930, 14605792, 16431516, 16998120, 18257240, 20539395, 21908688, 22664160, 24647274, 27385860, 32863032, 33996240, 36514480, 41078790, 43817376, 49294548, 54771720, 61618185, 65726064, 67992480, 73028960, 82157580, 98589096, 109543440, 123236370, 131452128, 164315160, 197178192, 219086880, 246472740, 328630320, 394356384, 492945480, 657260640, 985890960, 1971781920]

約数ペア:

[(1, 1971781920), (2, 985890960), (3, 657260640), (4, 492945480), (5, 394356384), (6, 328630320), (8, 246472740), (9, 219086880), (10, 197178192), (12, 164315160), (15, 131452128), (16, 123236370), (18, 109543440), (20, 98589096), (24, 82157580), (27, 73028960), (29, 67992480), (30, 65726064), (32, 61618185), (36, 54771720), (40, 49294548), (45, 43817376), (48, 41078790), (54, 36514480), (58, 33996240), (60, 32863032), (72, 27385860), (80, 24647274), (87, 22664160), (90, 21908688), (96, 20539395), (108, 18257240), (116, 16998120), (120, 16431516), (135, 14605792), (144, 13692930), (145, 13598496), (160, 12323637), (174, 11332080), (180, 10954344), (216, 9128620), (232, 8499060), (240, 8215758), (261, 7554720), (270, 7302896), (288, 6846465), (290, 6799248), (348, 5666040), (360, 5477172), (432, 4564310), (435, 4532832), (464, 4249530), (480, 4107879), (522, 3777360), (540, 3651448), (580, 3399624), (696, 2833020), (720, 2738586), (783, 2518240), (864, 2282155), (870, 2266416), (928, 2124765), (1044, 1888680), (1080, 1825724), (1160, 1699812), (1305, 1510944), (1392, 1416510), (1440, 1369293), (1566, 1259120), (1740, 1133208), (2088, 944340), (2160, 912862), (2320, 849906), (2610, 755472), (2784, 708255), (3132, 629560), (3480, 566604), (3915, 503648), (4176, 472170), (4320, 456431), (4640, 424953), (5220, 377736), (6264, 314780), (6960, 283302), (7830, 251824), (8352, 236085), (10440, 188868), (12528, 157390), (13920, 141651), (15660, 125912), (15739, 125280), (20880, 94434), (25056, 78695), (31320, 62956), (31478, 62640), (41760, 47217)]