407672720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1993

約数の個数: 160

約数和(自身を含む): 1207422720

約数和(自身を除く): 799750000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 364, 377, 406, 455, 464, 520, 560, 580, 728, 754, 812, 910, 1015, 1040, 1160, 1456, 1508, 1624, 1820, 1885, 1931, 2030, 2320, 2639, 3016, 3248, 3640, 3770, 3862, 4060, 5278, 6032, 7280, 7540, 7724, 8120, 9655, 10556, 13195, 13517, 15080, 15448, 16240, 19310, 21112, 25103, 26390, 27034, 30160, 30896, 38620, 42224, 50206, 52780, 54068, 55999, 67585, 77240, 100412, 105560, 108136, 111998, 125515, 135170, 154480, 175721, 200824, 211120, 216272, 223996, 251030, 270340, 279995, 351442, 391993, 401648, 447992, 502060, 540680, 559990, 702884, 727987, 783986, 878605, 895984, 1004120, 1081360, 1119980, 1405768, 1455974, 1567972, 1757210, 1959965, 2008240, 2239960, 2811536, 2911948, 3135944, 3514420, 3639935, 3919930, 4479920, 5095909, 5823896, 6271888, 7028840, 7279870, 7839860, 10191818, 11647792, 14057680, 14559740, 15679720, 20383636, 25479545, 29119480, 31359440, 40767272, 50959090, 58238960, 81534544, 101918180, 203836360, 407672720]

約数ペア:

[(1, 407672720), (2, 203836360), (4, 101918180), (5, 81534544), (7, 58238960), (8, 50959090), (10, 40767272), (13, 31359440), (14, 29119480), (16, 25479545), (20, 20383636), (26, 15679720), (28, 14559740), (29, 14057680), (35, 11647792), (40, 10191818), (52, 7839860), (56, 7279870), (58, 7028840), (65, 6271888), (70, 5823896), (80, 5095909), (91, 4479920), (104, 3919930), (112, 3639935), (116, 3514420), (130, 3135944), (140, 2911948), (145, 2811536), (182, 2239960), (203, 2008240), (208, 1959965), (232, 1757210), (260, 1567972), (280, 1455974), (290, 1405768), (364, 1119980), (377, 1081360), (406, 1004120), (455, 895984), (464, 878605), (520, 783986), (560, 727987), (580, 702884), (728, 559990), (754, 540680), (812, 502060), (910, 447992), (1015, 401648), (1040, 391993), (1160, 351442), (1456, 279995), (1508, 270340), (1624, 251030), (1820, 223996), (1885, 216272), (1931, 211120), (2030, 200824), (2320, 175721), (2639, 154480), (3016, 135170), (3248, 125515), (3640, 111998), (3770, 108136), (3862, 105560), (4060, 100412), (5278, 77240), (6032, 67585), (7280, 55999), (7540, 54068), (7724, 52780), (8120, 50206), (9655, 42224), (10556, 38620), (13195, 30896), (13517, 30160), (15080, 27034), (15448, 26390), (16240, 25103), (19310, 21112)]