131515120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{751}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 335692800

約数和(自身を除く): 204177680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 751, 796, 880, 995, 1502, 1592, 1990, 2189, 3004, 3184, 3755, 3980, 4378, 6008, 7510, 7960, 8261, 8756, 10945, 12016, 15020, 15920, 16522, 17512, 21890, 30040, 33044, 35024, 41305, 43780, 60080, 66088, 82610, 87560, 132176, 149449, 165220, 175120, 298898, 330440, 597796, 660880, 747245, 1195592, 1494490, 1643939, 2391184, 2988980, 3287878, 5977960, 6575756, 8219695, 11955920, 13151512, 16439390, 26303024, 32878780, 65757560, 131515120]

約数ペア:

[(1, 131515120), (2, 65757560), (4, 32878780), (5, 26303024), (8, 16439390), (10, 13151512), (11, 11955920), (16, 8219695), (20, 6575756), (22, 5977960), (40, 3287878), (44, 2988980), (55, 2391184), (80, 1643939), (88, 1494490), (110, 1195592), (176, 747245), (199, 660880), (220, 597796), (398, 330440), (440, 298898), (751, 175120), (796, 165220), (880, 149449), (995, 132176), (1502, 87560), (1592, 82610), (1990, 66088), (2189, 60080), (3004, 43780), (3184, 41305), (3755, 35024), (3980, 33044), (4378, 30040), (6008, 21890), (7510, 17512), (7960, 16522), (8261, 15920), (8756, 15020), (10945, 12016)]