215141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:613

約数の個数: 160

約数和(自身を含む): 732810240

約数和(自身を除く): 517668720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 227, 240, 264, 330, 359, 440, 454, 528, 660, 681, 718, 880, 908, 1077, 1135, 1320, 1362, 1436, 1795, 1816, 2154, 2270, 2497, 2640, 2724, 2872, 3405, 3590, 3632, 3949, 4308, 4540, 4994, 5385, 5448, 5744, 6810, 7180, 7491, 7898, 8616, 9080, 9988, 10770, 10896, 11847, 12485, 13620, 14360, 14982, 15796, 17232, 18160, 19745, 19976, 21540, 23694, 24970, 27240, 28720, 29964, 31592, 37455, 39490, 39952, 43080, 47388, 49940, 54480, 59235, 59928, 63184, 74910, 78980, 81493, 86160, 94776, 99880, 118470, 119856, 149820, 157960, 162986, 189552, 199760, 236940, 244479, 299640, 315920, 325972, 407465, 473880, 488958, 599280, 651944, 814930, 896423, 947760, 977916, 1222395, 1303888, 1629860, 1792846, 1955832, 2444790, 2689269, 3259720, 3585692, 3911664, 4482115, 4889580, 5378538, 6519440, 7171384, 8964230, 9779160, 10757076, 13446345, 14342768, 17928460, 19558320, 21514152, 26892690, 35856920, 43028304, 53785380, 71713840, 107570760, 215141520]

約数ペア:

[(1, 215141520), (2, 107570760), (3, 71713840), (4, 53785380), (5, 43028304), (6, 35856920), (8, 26892690), (10, 21514152), (11, 19558320), (12, 17928460), (15, 14342768), (16, 13446345), (20, 10757076), (22, 9779160), (24, 8964230), (30, 7171384), (33, 6519440), (40, 5378538), (44, 4889580), (48, 4482115), (55, 3911664), (60, 3585692), (66, 3259720), (80, 2689269), (88, 2444790), (110, 1955832), (120, 1792846), (132, 1629860), (165, 1303888), (176, 1222395), (220, 977916), (227, 947760), (240, 896423), (264, 814930), (330, 651944), (359, 599280), (440, 488958), (454, 473880), (528, 407465), (660, 325972), (681, 315920), (718, 299640), (880, 244479), (908, 236940), (1077, 199760), (1135, 189552), (1320, 162986), (1362, 157960), (1436, 149820), (1795, 119856), (1816, 118470), (2154, 99880), (2270, 94776), (2497, 86160), (2640, 81493), (2724, 78980), (2872, 74910), (3405, 63184), (3590, 59928), (3632, 59235), (3949, 54480), (4308, 49940), (4540, 47388), (4994, 43080), (5385, 39952), (5448, 39490), (5744, 37455), (6810, 31592), (7180, 29964), (7491, 28720), (7898, 27240), (8616, 24970), (9080, 23694), (9988, 21540), (10770, 19976), (10896, 19745), (11847, 18160), (12485, 17232), (13620, 15796), (14360, 14982)]