57183980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 151683840

約数和(自身を除く): 94499860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 49, 59, 70, 86, 92, 98, 115, 118, 140, 161, 172, 196, 215, 230, 236, 245, 295, 301, 322, 413, 430, 460, 490, 590, 602, 644, 805, 826, 860, 980, 989, 1127, 1180, 1204, 1357, 1505, 1610, 1652, 1978, 2065, 2107, 2254, 2537, 2714, 2891, 3010, 3220, 3956, 4130, 4214, 4508, 4945, 5074, 5428, 5635, 5782, 6020, 6785, 6923, 8260, 8428, 9499, 9890, 10148, 10535, 11270, 11564, 12685, 13570, 13846, 14455, 17759, 18998, 19780, 21070, 22540, 25370, 27140, 27692, 28910, 34615, 35518, 37996, 42140, 47495, 48461, 50740, 57820, 58351, 66493, 69230, 71036, 88795, 94990, 96922, 116702, 124313, 132986, 138460, 177590, 189980, 193844, 233404, 242305, 248626, 265972, 291755, 332465, 355180, 408457, 484610, 497252, 583510, 621565, 664930, 816914, 969220, 1167020, 1243130, 1329860, 1633828, 2042285, 2486260, 2859199, 4084570, 5718398, 8169140, 11436796, 14295995, 28591990, 57183980]

約数ペア:

[(1, 57183980), (2, 28591990), (4, 14295995), (5, 11436796), (7, 8169140), (10, 5718398), (14, 4084570), (20, 2859199), (23, 2486260), (28, 2042285), (35, 1633828), (43, 1329860), (46, 1243130), (49, 1167020), (59, 969220), (70, 816914), (86, 664930), (92, 621565), (98, 583510), (115, 497252), (118, 484610), (140, 408457), (161, 355180), (172, 332465), (196, 291755), (215, 265972), (230, 248626), (236, 242305), (245, 233404), (295, 193844), (301, 189980), (322, 177590), (413, 138460), (430, 132986), (460, 124313), (490, 116702), (590, 96922), (602, 94990), (644, 88795), (805, 71036), (826, 69230), (860, 66493), (980, 58351), (989, 57820), (1127, 50740), (1180, 48461), (1204, 47495), (1357, 42140), (1505, 37996), (1610, 35518), (1652, 34615), (1978, 28910), (2065, 27692), (2107, 27140), (2254, 25370), (2537, 22540), (2714, 21070), (2891, 19780), (3010, 18998), (3220, 17759), (3956, 14455), (4130, 13846), (4214, 13570), (4508, 12685), (4945, 11564), (5074, 11270), (5428, 10535), (5635, 10148), (5782, 9890), (6020, 9499), (6785, 8428), (6923, 8260)]