161915600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 180

約数和(自身を含む): 494307648

約数和(自身を除く): 332392048

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 98, 100, 110, 112, 140, 154, 175, 176, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 400, 440, 490, 539, 550, 560, 616, 700, 751, 770, 784, 880, 980, 1078, 1100, 1225, 1232, 1400, 1502, 1540, 1925, 1960, 2156, 2200, 2450, 2695, 2800, 3004, 3080, 3755, 3850, 3920, 4312, 4400, 4900, 5257, 5390, 6008, 6160, 7510, 7700, 8261, 8624, 9800, 10514, 10780, 12016, 13475, 15020, 15400, 16522, 18775, 19600, 21028, 21560, 26285, 26950, 30040, 30800, 33044, 36799, 37550, 41305, 42056, 43120, 52570, 53900, 57827, 60080, 66088, 73598, 75100, 82610, 84112, 105140, 107800, 115654, 131425, 132176, 147196, 150200, 165220, 183995, 206525, 210280, 215600, 231308, 262850, 289135, 294392, 300400, 330440, 367990, 404789, 413050, 420560, 462616, 525700, 578270, 588784, 660880, 735980, 809578, 826100, 919975, 925232, 1051400, 1156540, 1445675, 1471960, 1619156, 1652200, 1839950, 2023945, 2102800, 2313080, 2891350, 2943920, 3238312, 3304400, 3679900, 4047890, 4626160, 5782700, 6476624, 7359800, 8095780, 10119725, 11565400, 14719600, 16191560, 20239450, 23130800, 32383120, 40478900, 80957800, 161915600]

約数ペア:

[(1, 161915600), (2, 80957800), (4, 40478900), (5, 32383120), (7, 23130800), (8, 20239450), (10, 16191560), (11, 14719600), (14, 11565400), (16, 10119725), (20, 8095780), (22, 7359800), (25, 6476624), (28, 5782700), (35, 4626160), (40, 4047890), (44, 3679900), (49, 3304400), (50, 3238312), (55, 2943920), (56, 2891350), (70, 2313080), (77, 2102800), (80, 2023945), (88, 1839950), (98, 1652200), (100, 1619156), (110, 1471960), (112, 1445675), (140, 1156540), (154, 1051400), (175, 925232), (176, 919975), (196, 826100), (200, 809578), (220, 735980), (245, 660880), (275, 588784), (280, 578270), (308, 525700), (350, 462616), (385, 420560), (392, 413050), (400, 404789), (440, 367990), (490, 330440), (539, 300400), (550, 294392), (560, 289135), (616, 262850), (700, 231308), (751, 215600), (770, 210280), (784, 206525), (880, 183995), (980, 165220), (1078, 150200), (1100, 147196), (1225, 132176), (1232, 131425), (1400, 115654), (1502, 107800), (1540, 105140), (1925, 84112), (1960, 82610), (2156, 75100), (2200, 73598), (2450, 66088), (2695, 60080), (2800, 57827), (3004, 53900), (3080, 52570), (3755, 43120), (3850, 42056), (3920, 41305), (4312, 37550), (4400, 36799), (4900, 33044), (5257, 30800), (5390, 30040), (6008, 26950), (6160, 26285), (7510, 21560), (7700, 21028), (8261, 19600), (8624, 18775), (9800, 16522), (10514, 15400), (10780, 15020), (12016, 13475)]