243368720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 691027200

約数和(自身を除く): 447658480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 89, 95, 112, 133, 140, 152, 178, 190, 257, 266, 280, 304, 356, 380, 445, 514, 532, 560, 623, 665, 712, 760, 890, 1028, 1064, 1246, 1285, 1330, 1424, 1520, 1691, 1780, 1799, 2056, 2128, 2492, 2570, 2660, 3115, 3382, 3560, 3598, 4112, 4883, 4984, 5140, 5320, 6230, 6764, 7120, 7196, 8455, 8995, 9766, 9968, 10280, 10640, 11837, 12460, 13528, 14392, 16910, 17990, 19532, 20560, 22873, 23674, 24415, 24920, 27056, 28784, 33820, 34181, 35980, 39064, 45746, 47348, 48830, 49840, 59185, 67640, 68362, 71960, 78128, 91492, 94696, 97660, 114365, 118370, 135280, 136724, 143920, 160111, 170905, 182984, 189392, 195320, 228730, 236740, 273448, 320222, 341810, 365968, 390640, 434587, 457460, 473480, 546896, 640444, 683620, 800555, 869174, 914920, 946960, 1280888, 1367240, 1601110, 1738348, 1829840, 2172935, 2561776, 2734480, 3042109, 3202220, 3476696, 4345870, 6084218, 6404440, 6953392, 8691740, 12168436, 12808880, 15210545, 17383480, 24336872, 30421090, 34766960, 48673744, 60842180, 121684360, 243368720]

約数ペア:

[(1, 243368720), (2, 121684360), (4, 60842180), (5, 48673744), (7, 34766960), (8, 30421090), (10, 24336872), (14, 17383480), (16, 15210545), (19, 12808880), (20, 12168436), (28, 8691740), (35, 6953392), (38, 6404440), (40, 6084218), (56, 4345870), (70, 3476696), (76, 3202220), (80, 3042109), (89, 2734480), (95, 2561776), (112, 2172935), (133, 1829840), (140, 1738348), (152, 1601110), (178, 1367240), (190, 1280888), (257, 946960), (266, 914920), (280, 869174), (304, 800555), (356, 683620), (380, 640444), (445, 546896), (514, 473480), (532, 457460), (560, 434587), (623, 390640), (665, 365968), (712, 341810), (760, 320222), (890, 273448), (1028, 236740), (1064, 228730), (1246, 195320), (1285, 189392), (1330, 182984), (1424, 170905), (1520, 160111), (1691, 143920), (1780, 136724), (1799, 135280), (2056, 118370), (2128, 114365), (2492, 97660), (2570, 94696), (2660, 91492), (3115, 78128), (3382, 71960), (3560, 68362), (3598, 67640), (4112, 59185), (4883, 49840), (4984, 48830), (5140, 47348), (5320, 45746), (6230, 39064), (6764, 35980), (7120, 34181), (7196, 33820), (8455, 28784), (8995, 27056), (9766, 24920), (9968, 24415), (10280, 23674), (10640, 22873), (11837, 20560), (12460, 19532), (13528, 17990), (14392, 16910)]