388501920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 240

約数和(自身を含む): 1416780288

約数和(自身を除く): 1028278368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 967, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 1934, 2160, 2232, 2480, 2511, 2592, 2790, 2901, 2976, 3240, 3348, 3720, 3868, 4185, 4320, 4464, 4835, 4960, 5022, 5580, 5802, 6480, 6696, 7440, 7736, 8370, 8703, 8928, 9670, 10044, 11160, 11604, 12555, 12960, 13392, 14505, 14880, 15472, 16740, 17406, 19340, 20088, 22320, 23208, 25110, 26109, 26784, 29010, 29977, 30944, 33480, 34812, 38680, 40176, 43515, 44640, 46416, 50220, 52218, 58020, 59954, 66960, 69624, 77360, 78327, 80352, 87030, 89931, 92832, 100440, 104436, 116040, 119908, 130545, 133920, 139248, 149885, 154720, 156654, 174060, 179862, 200880, 208872, 232080, 239816, 261090, 269793, 278496, 299770, 313308, 348120, 359724, 391635, 401760, 417744, 449655, 464160, 479632, 522180, 539586, 599540, 626616, 696240, 719448, 783270, 809379, 835488, 899310, 959264, 1044360, 1079172, 1199080, 1253232, 1348965, 1392480, 1438896, 1566540, 1618758, 1798620, 2088720, 2158344, 2398160, 2428137, 2506464, 2697930, 2877792, 3133080, 3237516, 3597240, 4046895, 4177440, 4316688, 4796320, 4856274, 5395860, 6266160, 6475032, 7194480, 8093790, 8633376, 9712548, 10791720, 12140685, 12532320, 12950064, 14388960, 16187580, 19425096, 21583440, 24281370, 25900128, 32375160, 38850192, 43166880, 48562740, 64750320, 77700384, 97125480, 129500640, 194250960, 388501920]

約数ペア:

[(1, 388501920), (2, 194250960), (3, 129500640), (4, 97125480), (5, 77700384), (6, 64750320), (8, 48562740), (9, 43166880), (10, 38850192), (12, 32375160), (15, 25900128), (16, 24281370), (18, 21583440), (20, 19425096), (24, 16187580), (27, 14388960), (30, 12950064), (31, 12532320), (32, 12140685), (36, 10791720), (40, 9712548), (45, 8633376), (48, 8093790), (54, 7194480), (60, 6475032), (62, 6266160), (72, 5395860), (80, 4856274), (81, 4796320), (90, 4316688), (93, 4177440), (96, 4046895), (108, 3597240), (120, 3237516), (124, 3133080), (135, 2877792), (144, 2697930), (155, 2506464), (160, 2428137), (162, 2398160), (180, 2158344), (186, 2088720), (216, 1798620), (240, 1618758), (248, 1566540), (270, 1438896), (279, 1392480), (288, 1348965), (310, 1253232), (324, 1199080), (360, 1079172), (372, 1044360), (405, 959264), (432, 899310), (465, 835488), (480, 809379), (496, 783270), (540, 719448), (558, 696240), (620, 626616), (648, 599540), (720, 539586), (744, 522180), (810, 479632), (837, 464160), (864, 449655), (930, 417744), (967, 401760), (992, 391635), (1080, 359724), (1116, 348120), (1240, 313308), (1296, 299770), (1395, 278496), (1440, 269793), (1488, 261090), (1620, 239816), (1674, 232080), (1860, 208872), (1934, 200880), (2160, 179862), (2232, 174060), (2480, 156654), (2511, 154720), (2592, 149885), (2790, 139248), (2901, 133920), (2976, 130545), (3240, 119908), (3348, 116040), (3720, 104436), (3868, 100440), (4185, 92832), (4320, 89931), (4464, 87030), (4835, 80352), (4960, 78327), (5022, 77360), (5580, 69624), (5802, 66960), (6480, 59954), (6696, 58020), (7440, 52218), (7736, 50220), (8370, 46416), (8703, 44640), (8928, 43515), (9670, 40176), (10044, 38680), (11160, 34812), (11604, 33480), (12555, 30944), (12960, 29977), (13392, 29010), (14505, 26784), (14880, 26109), (15472, 25110), (16740, 23208), (17406, 22320), (19340, 20088)]