27831992680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{7949}}^1$

素因数の和:8267

約数の個数: 128

約数和(自身を含む): 70061760000

約数和(自身を除く): 42229767320

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 271, 323, 340, 380, 542, 646, 680, 760, 1084, 1292, 1355, 1615, 2168, 2584, 2710, 3230, 4607, 5149, 5420, 6460, 7949, 9214, 10298, 10840, 12920, 15898, 18428, 20596, 23035, 25745, 31796, 36856, 39745, 41192, 46070, 51490, 63592, 79490, 87533, 92140, 102980, 135133, 151031, 158980, 175066, 184280, 205960, 270266, 302062, 317960, 350132, 437665, 540532, 604124, 675665, 700264, 755155, 875330, 1081064, 1208248, 1351330, 1510310, 1750660, 2154179, 2567527, 2702660, 3020620, 3501320, 4308358, 5135054, 5405320, 6041240, 8616716, 10270108, 10770895, 12837635, 17233432, 20540216, 21541790, 25675270, 36621043, 40929401, 43083580, 51350540, 73242086, 81858802, 86167160, 102701080, 146484172, 163717604, 183105215, 204647005, 292968344, 327435208, 366210430, 409294010, 695799817, 732420860, 818588020, 1391599634, 1464841720, 1637176040, 2783199268, 3478999085, 5566398536, 6957998170, 13915996340, 27831992680]

約数ペア:

[(1, 27831992680), (2, 13915996340), (4, 6957998170), (5, 5566398536), (8, 3478999085), (10, 2783199268), (17, 1637176040), (19, 1464841720), (20, 1391599634), (34, 818588020), (38, 732420860), (40, 695799817), (68, 409294010), (76, 366210430), (85, 327435208), (95, 292968344), (136, 204647005), (152, 183105215), (170, 163717604), (190, 146484172), (271, 102701080), (323, 86167160), (340, 81858802), (380, 73242086), (542, 51350540), (646, 43083580), (680, 40929401), (760, 36621043), (1084, 25675270), (1292, 21541790), (1355, 20540216), (1615, 17233432), (2168, 12837635), (2584, 10770895), (2710, 10270108), (3230, 8616716), (4607, 6041240), (5149, 5405320), (5420, 5135054), (6460, 4308358), (7949, 3501320), (9214, 3020620), (10298, 2702660), (10840, 2567527), (12920, 2154179), (15898, 1750660), (18428, 1510310), (20596, 1351330), (23035, 1208248), (25745, 1081064), (31796, 875330), (36856, 755155), (39745, 700264), (41192, 675665), (46070, 604124), (51490, 540532), (63592, 437665), (79490, 350132), (87533, 317960), (92140, 302062), (102980, 270266), (135133, 205960), (151031, 184280), (158980, 175066)]