21809460560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{9811}}^1$

素因数の和:10612

約数の個数: 80

約数和(自身を含む): 52152114432

約数和(自身を除く): 30342653872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 751, 1480, 1502, 2960, 3004, 3755, 6008, 7510, 9811, 12016, 15020, 19622, 27787, 30040, 39244, 49055, 55574, 60080, 78488, 98110, 111148, 138935, 156976, 196220, 222296, 277870, 363007, 392440, 444592, 555740, 726014, 784880, 1111480, 1452028, 1815035, 2222960, 2904056, 3630070, 5808112, 7260140, 7368061, 14520280, 14736122, 29040560, 29472244, 36840305, 58944488, 73680610, 117888976, 147361220, 272618257, 294722440, 545236514, 589444880, 1090473028, 1363091285, 2180946056, 2726182570, 4361892112, 5452365140, 10904730280, 21809460560]

約数ペア:

[(1, 21809460560), (2, 10904730280), (4, 5452365140), (5, 4361892112), (8, 2726182570), (10, 2180946056), (16, 1363091285), (20, 1090473028), (37, 589444880), (40, 545236514), (74, 294722440), (80, 272618257), (148, 147361220), (185, 117888976), (296, 73680610), (370, 58944488), (592, 36840305), (740, 29472244), (751, 29040560), (1480, 14736122), (1502, 14520280), (2960, 7368061), (3004, 7260140), (3755, 5808112), (6008, 3630070), (7510, 2904056), (9811, 2222960), (12016, 1815035), (15020, 1452028), (19622, 1111480), (27787, 784880), (30040, 726014), (39244, 555740), (49055, 444592), (55574, 392440), (60080, 363007), (78488, 277870), (98110, 222296), (111148, 196220), (138935, 156976)]