204738480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 746871840

約数和(自身を除く): 542133360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 48, 51, 60, 68, 72, 80, 85, 86, 90, 102, 120, 129, 136, 144, 153, 170, 172, 180, 204, 215, 240, 255, 258, 272, 306, 340, 344, 360, 387, 389, 408, 430, 510, 516, 612, 645, 680, 688, 720, 731, 765, 774, 778, 816, 860, 1020, 1032, 1167, 1224, 1290, 1360, 1462, 1530, 1548, 1556, 1720, 1935, 1945, 2040, 2064, 2193, 2334, 2448, 2580, 2924, 3060, 3096, 3112, 3440, 3501, 3655, 3870, 3890, 4080, 4386, 4668, 5160, 5835, 5848, 6120, 6192, 6224, 6579, 6613, 7002, 7310, 7740, 7780, 8772, 9336, 10320, 10965, 11670, 11696, 12240, 13158, 13226, 14004, 14620, 15480, 15560, 16727, 17505, 17544, 18672, 19839, 21930, 23340, 26316, 26452, 28008, 29240, 30960, 31120, 32895, 33065, 33454, 35010, 35088, 39678, 43860, 46680, 50181, 52632, 52904, 56016, 58480, 59517, 65790, 66130, 66908, 70020, 79356, 83635, 87720, 93360, 99195, 100362, 105264, 105808, 119034, 131580, 132260, 133816, 140040, 150543, 158712, 167270, 175440, 198390, 200724, 238068, 250905, 263160, 264520, 267632, 280080, 284359, 297585, 301086, 317424, 334540, 396780, 401448, 476136, 501810, 526320, 529040, 568718, 595170, 602172, 669080, 752715, 793560, 802896, 853077, 952272, 1003620, 1137436, 1190340, 1204344, 1338160, 1421795, 1505430, 1587120, 1706154, 2007240, 2274872, 2380680, 2408688, 2559231, 2843590, 3010860, 3412308, 4014480, 4265385, 4549744, 4761360, 5118462, 5687180, 6021720, 6824616, 8530770, 10236924, 11374360, 12043440, 12796155, 13649232, 17061540, 20473848, 22748720, 25592310, 34123080, 40947696, 51184620, 68246160, 102369240, 204738480]

約数ペア:

[(1, 204738480), (2, 102369240), (3, 68246160), (4, 51184620), (5, 40947696), (6, 34123080), (8, 25592310), (9, 22748720), (10, 20473848), (12, 17061540), (15, 13649232), (16, 12796155), (17, 12043440), (18, 11374360), (20, 10236924), (24, 8530770), (30, 6824616), (34, 6021720), (36, 5687180), (40, 5118462), (43, 4761360), (45, 4549744), (48, 4265385), (51, 4014480), (60, 3412308), (68, 3010860), (72, 2843590), (80, 2559231), (85, 2408688), (86, 2380680), (90, 2274872), (102, 2007240), (120, 1706154), (129, 1587120), (136, 1505430), (144, 1421795), (153, 1338160), (170, 1204344), (172, 1190340), (180, 1137436), (204, 1003620), (215, 952272), (240, 853077), (255, 802896), (258, 793560), (272, 752715), (306, 669080), (340, 602172), (344, 595170), (360, 568718), (387, 529040), (389, 526320), (408, 501810), (430, 476136), (510, 401448), (516, 396780), (612, 334540), (645, 317424), (680, 301086), (688, 297585), (720, 284359), (731, 280080), (765, 267632), (774, 264520), (778, 263160), (816, 250905), (860, 238068), (1020, 200724), (1032, 198390), (1167, 175440), (1224, 167270), (1290, 158712), (1360, 150543), (1462, 140040), (1530, 133816), (1548, 132260), (1556, 131580), (1720, 119034), (1935, 105808), (1945, 105264), (2040, 100362), (2064, 99195), (2193, 93360), (2334, 87720), (2448, 83635), (2580, 79356), (2924, 70020), (3060, 66908), (3096, 66130), (3112, 65790), (3440, 59517), (3501, 58480), (3655, 56016), (3870, 52904), (3890, 52632), (4080, 50181), (4386, 46680), (4668, 43860), (5160, 39678), (5835, 35088), (5848, 35010), (6120, 33454), (6192, 33065), (6224, 32895), (6579, 31120), (6613, 30960), (7002, 29240), (7310, 28008), (7740, 26452), (7780, 26316), (8772, 23340), (9336, 21930), (10320, 19839), (10965, 18672), (11670, 17544), (11696, 17505), (12240, 16727), (13158, 15560), (13226, 15480), (14004, 14620)]