164557960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 288316280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 181, 191, 238, 280, 340, 362, 382, 476, 595, 680, 724, 764, 905, 952, 955, 1190, 1267, 1337, 1448, 1528, 1810, 1910, 2380, 2534, 2674, 3077, 3247, 3620, 3820, 4760, 5068, 5348, 6154, 6335, 6494, 6685, 7240, 7640, 10136, 10696, 12308, 12670, 12988, 13370, 15385, 16235, 21539, 22729, 24616, 25340, 25976, 26740, 30770, 32470, 34571, 43078, 45458, 50680, 53480, 61540, 64940, 69142, 86156, 90916, 107695, 113645, 123080, 129880, 138284, 172312, 172855, 181832, 215390, 227290, 241997, 276568, 345710, 430780, 454580, 483994, 587707, 691420, 861560, 909160, 967988, 1175414, 1209985, 1382840, 1935976, 2350828, 2419970, 2938535, 4113949, 4701656, 4839940, 5877070, 8227898, 9679880, 11754140, 16455796, 20569745, 23508280, 32911592, 41139490, 82278980, 164557960]

約数ペア:

[(1, 164557960), (2, 82278980), (4, 41139490), (5, 32911592), (7, 23508280), (8, 20569745), (10, 16455796), (14, 11754140), (17, 9679880), (20, 8227898), (28, 5877070), (34, 4839940), (35, 4701656), (40, 4113949), (56, 2938535), (68, 2419970), (70, 2350828), (85, 1935976), (119, 1382840), (136, 1209985), (140, 1175414), (170, 967988), (181, 909160), (191, 861560), (238, 691420), (280, 587707), (340, 483994), (362, 454580), (382, 430780), (476, 345710), (595, 276568), (680, 241997), (724, 227290), (764, 215390), (905, 181832), (952, 172855), (955, 172312), (1190, 138284), (1267, 129880), (1337, 123080), (1448, 113645), (1528, 107695), (1810, 90916), (1910, 86156), (2380, 69142), (2534, 64940), (2674, 61540), (3077, 53480), (3247, 50680), (3620, 45458), (3820, 43078), (4760, 34571), (5068, 32470), (5348, 30770), (6154, 26740), (6335, 25976), (6494, 25340), (6685, 24616), (7240, 22729), (7640, 21539), (10136, 16235), (10696, 15385), (12308, 13370), (12670, 12988)]