80545500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2589

約数の個数: 144

約数和(自身を含む): 290506944

約数和(自身を除く): 209961444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2557, 2625, 3150, 3500, 4500, 5114, 5250, 6300, 7671, 7875, 10228, 10500, 12785, 15342, 15750, 17899, 23013, 25570, 30684, 31500, 35798, 38355, 46026, 51140, 53697, 63925, 71596, 76710, 89495, 92052, 107394, 115065, 127850, 153420, 161091, 178990, 191775, 214788, 230130, 255700, 268485, 319625, 322182, 357980, 383550, 447475, 460260, 536970, 575325, 639250, 644364, 767100, 805455, 894950, 958875, 1073940, 1150650, 1278500, 1342425, 1610910, 1789900, 1917750, 2237375, 2301300, 2684850, 2876625, 3221820, 3835500, 4027275, 4474750, 5369700, 5753250, 6712125, 8054550, 8949500, 11506500, 13424250, 16109100, 20136375, 26848500, 40272750, 80545500]

約数ペア:

[(1, 80545500), (2, 40272750), (3, 26848500), (4, 20136375), (5, 16109100), (6, 13424250), (7, 11506500), (9, 8949500), (10, 8054550), (12, 6712125), (14, 5753250), (15, 5369700), (18, 4474750), (20, 4027275), (21, 3835500), (25, 3221820), (28, 2876625), (30, 2684850), (35, 2301300), (36, 2237375), (42, 1917750), (45, 1789900), (50, 1610910), (60, 1342425), (63, 1278500), (70, 1150650), (75, 1073940), (84, 958875), (90, 894950), (100, 805455), (105, 767100), (125, 644364), (126, 639250), (140, 575325), (150, 536970), (175, 460260), (180, 447475), (210, 383550), (225, 357980), (250, 322182), (252, 319625), (300, 268485), (315, 255700), (350, 230130), (375, 214788), (420, 191775), (450, 178990), (500, 161091), (525, 153420), (630, 127850), (700, 115065), (750, 107394), (875, 92052), (900, 89495), (1050, 76710), (1125, 71596), (1260, 63925), (1500, 53697), (1575, 51140), (1750, 46026), (2100, 38355), (2250, 35798), (2557, 31500), (2625, 30684), (3150, 25570), (3500, 23013), (4500, 17899), (5114, 15750), (5250, 15342), (6300, 12785), (7671, 10500), (7875, 10228)]