127195120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 345602880

約数和(自身を除く): 218407760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 41, 52, 65, 76, 80, 82, 95, 104, 130, 152, 157, 164, 190, 205, 208, 247, 260, 304, 314, 328, 380, 410, 494, 520, 533, 628, 656, 760, 779, 785, 820, 988, 1040, 1066, 1235, 1256, 1520, 1558, 1570, 1640, 1976, 2041, 2132, 2470, 2512, 2665, 2983, 3116, 3140, 3280, 3895, 3952, 4082, 4264, 4940, 5330, 5966, 6232, 6280, 6437, 7790, 8164, 8528, 9880, 10127, 10205, 10660, 11932, 12464, 12560, 12874, 14915, 15580, 16328, 19760, 20254, 20410, 21320, 23864, 25748, 29830, 31160, 32185, 32656, 38779, 40508, 40820, 42640, 47728, 50635, 51496, 59660, 62320, 64370, 77558, 81016, 81640, 83681, 101270, 102992, 119320, 122303, 128740, 155116, 162032, 163280, 167362, 193895, 202540, 238640, 244606, 257480, 310232, 334724, 387790, 405080, 418405, 489212, 514960, 611515, 620464, 669448, 775580, 810160, 836810, 978424, 1223030, 1338896, 1551160, 1589939, 1673620, 1956848, 2446060, 3102320, 3179878, 3347240, 4892120, 6359756, 6694480, 7949695, 9784240, 12719512, 15899390, 25439024, 31798780, 63597560, 127195120]

約数ペア:

[(1, 127195120), (2, 63597560), (4, 31798780), (5, 25439024), (8, 15899390), (10, 12719512), (13, 9784240), (16, 7949695), (19, 6694480), (20, 6359756), (26, 4892120), (38, 3347240), (40, 3179878), (41, 3102320), (52, 2446060), (65, 1956848), (76, 1673620), (80, 1589939), (82, 1551160), (95, 1338896), (104, 1223030), (130, 978424), (152, 836810), (157, 810160), (164, 775580), (190, 669448), (205, 620464), (208, 611515), (247, 514960), (260, 489212), (304, 418405), (314, 405080), (328, 387790), (380, 334724), (410, 310232), (494, 257480), (520, 244606), (533, 238640), (628, 202540), (656, 193895), (760, 167362), (779, 163280), (785, 162032), (820, 155116), (988, 128740), (1040, 122303), (1066, 119320), (1235, 102992), (1256, 101270), (1520, 83681), (1558, 81640), (1570, 81016), (1640, 77558), (1976, 64370), (2041, 62320), (2132, 59660), (2470, 51496), (2512, 50635), (2665, 47728), (2983, 42640), (3116, 40820), (3140, 40508), (3280, 38779), (3895, 32656), (3952, 32185), (4082, 31160), (4264, 29830), (4940, 25748), (5330, 23864), (5966, 21320), (6232, 20410), (6280, 20254), (6437, 19760), (7790, 16328), (8164, 15580), (8528, 14915), (9880, 12874), (10127, 12560), (10205, 12464), (10660, 11932)]