321731640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 1092648960

約数和(自身を除く): 770917320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 127, 155, 180, 186, 227, 248, 254, 279, 310, 360, 372, 381, 454, 465, 508, 558, 620, 635, 681, 744, 762, 908, 930, 1016, 1116, 1135, 1143, 1240, 1270, 1362, 1395, 1524, 1816, 1860, 1905, 2043, 2232, 2270, 2286, 2540, 2724, 2790, 3048, 3405, 3720, 3810, 3937, 4086, 4540, 4572, 5080, 5448, 5580, 5715, 6810, 7037, 7620, 7874, 8172, 9080, 9144, 10215, 11160, 11430, 11811, 13620, 14074, 15240, 15748, 16344, 19685, 20430, 21111, 22860, 23622, 27240, 28148, 28829, 31496, 35185, 35433, 39370, 40860, 42222, 45720, 47244, 56296, 57658, 59055, 63333, 70370, 70866, 78740, 81720, 84444, 86487, 94488, 105555, 115316, 118110, 126666, 140740, 141732, 144145, 157480, 168888, 172974, 177165, 211110, 230632, 236220, 253332, 259461, 281480, 283464, 288290, 316665, 345948, 354330, 422220, 432435, 472440, 506664, 518922, 576580, 633330, 691896, 708660, 844440, 864870, 893699, 1037844, 1153160, 1266660, 1297305, 1417320, 1729740, 1787398, 2075688, 2533320, 2594610, 2681097, 3459480, 3574796, 4468495, 5189220, 5362194, 7149592, 8043291, 8936990, 10378440, 10724388, 13405485, 16086582, 17873980, 21448776, 26810970, 32173164, 35747960, 40216455, 53621940, 64346328, 80432910, 107243880, 160865820, 321731640]

約数ペア:

[(1, 321731640), (2, 160865820), (3, 107243880), (4, 80432910), (5, 64346328), (6, 53621940), (8, 40216455), (9, 35747960), (10, 32173164), (12, 26810970), (15, 21448776), (18, 17873980), (20, 16086582), (24, 13405485), (30, 10724388), (31, 10378440), (36, 8936990), (40, 8043291), (45, 7149592), (60, 5362194), (62, 5189220), (72, 4468495), (90, 3574796), (93, 3459480), (120, 2681097), (124, 2594610), (127, 2533320), (155, 2075688), (180, 1787398), (186, 1729740), (227, 1417320), (248, 1297305), (254, 1266660), (279, 1153160), (310, 1037844), (360, 893699), (372, 864870), (381, 844440), (454, 708660), (465, 691896), (508, 633330), (558, 576580), (620, 518922), (635, 506664), (681, 472440), (744, 432435), (762, 422220), (908, 354330), (930, 345948), (1016, 316665), (1116, 288290), (1135, 283464), (1143, 281480), (1240, 259461), (1270, 253332), (1362, 236220), (1395, 230632), (1524, 211110), (1816, 177165), (1860, 172974), (1905, 168888), (2043, 157480), (2232, 144145), (2270, 141732), (2286, 140740), (2540, 126666), (2724, 118110), (2790, 115316), (3048, 105555), (3405, 94488), (3720, 86487), (3810, 84444), (3937, 81720), (4086, 78740), (4540, 70866), (4572, 70370), (5080, 63333), (5448, 59055), (5580, 57658), (5715, 56296), (6810, 47244), (7037, 45720), (7620, 42222), (7874, 40860), (8172, 39370), (9080, 35433), (9144, 35185), (10215, 31496), (11160, 28829), (11430, 28148), (11811, 27240), (13620, 23622), (14074, 22860), (15240, 21111), (15748, 20430), (16344, 19685)]