231749840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1009

約数の個数: 160

約数和(自身を含む): 677099520

約数和(自身を除く): 445349680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 304, 322, 368, 380, 437, 460, 532, 560, 644, 665, 760, 805, 874, 920, 947, 1064, 1288, 1330, 1520, 1610, 1748, 1840, 1894, 2128, 2185, 2576, 2660, 3059, 3220, 3496, 3788, 4370, 4735, 5320, 6118, 6440, 6629, 6992, 7576, 8740, 9470, 10640, 12236, 12880, 13258, 15152, 15295, 17480, 17993, 18940, 21781, 24472, 26516, 30590, 33145, 34960, 35986, 37880, 43562, 48944, 53032, 61180, 66290, 71972, 75760, 87124, 89965, 106064, 108905, 122360, 125951, 132580, 143944, 152467, 174248, 179930, 217810, 244720, 251902, 265160, 287888, 304934, 348496, 359860, 413839, 435620, 503804, 530320, 609868, 629755, 719720, 762335, 827678, 871240, 1007608, 1219736, 1259510, 1439440, 1524670, 1655356, 1742480, 2015216, 2069195, 2439472, 2519020, 2896873, 3049340, 3310712, 4138390, 5038040, 5793746, 6098680, 6621424, 8276780, 10076080, 11587492, 12197360, 14484365, 16553560, 23174984, 28968730, 33107120, 46349968, 57937460, 115874920, 231749840]

約数ペア:

[(1, 231749840), (2, 115874920), (4, 57937460), (5, 46349968), (7, 33107120), (8, 28968730), (10, 23174984), (14, 16553560), (16, 14484365), (19, 12197360), (20, 11587492), (23, 10076080), (28, 8276780), (35, 6621424), (38, 6098680), (40, 5793746), (46, 5038040), (56, 4138390), (70, 3310712), (76, 3049340), (80, 2896873), (92, 2519020), (95, 2439472), (112, 2069195), (115, 2015216), (133, 1742480), (140, 1655356), (152, 1524670), (161, 1439440), (184, 1259510), (190, 1219736), (230, 1007608), (266, 871240), (280, 827678), (304, 762335), (322, 719720), (368, 629755), (380, 609868), (437, 530320), (460, 503804), (532, 435620), (560, 413839), (644, 359860), (665, 348496), (760, 304934), (805, 287888), (874, 265160), (920, 251902), (947, 244720), (1064, 217810), (1288, 179930), (1330, 174248), (1520, 152467), (1610, 143944), (1748, 132580), (1840, 125951), (1894, 122360), (2128, 108905), (2185, 106064), (2576, 89965), (2660, 87124), (3059, 75760), (3220, 71972), (3496, 66290), (3788, 61180), (4370, 53032), (4735, 48944), (5320, 43562), (6118, 37880), (6440, 35986), (6629, 34960), (6992, 33145), (7576, 30590), (8740, 26516), (9470, 24472), (10640, 21781), (12236, 18940), (12880, 17993), (13258, 17480), (15152, 15295)]