80957800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 144

約数和(自身を含む): 239181120

約数和(自身を除く): 158223320

約数列:

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

約数ペア:

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