65887500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 154598388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 251, 300, 350, 375, 420, 500, 502, 525, 625, 700, 750, 753, 875, 1004, 1050, 1250, 1255, 1500, 1506, 1750, 1757, 1875, 2100, 2500, 2510, 2625, 3012, 3125, 3500, 3514, 3750, 3765, 4375, 5020, 5250, 5271, 6250, 6275, 7028, 7500, 7530, 8750, 8785, 9375, 10500, 10542, 12500, 12550, 13125, 15060, 17500, 17570, 18750, 18825, 21084, 21875, 25100, 26250, 26355, 31375, 35140, 37500, 37650, 43750, 43925, 52500, 52710, 62750, 65625, 75300, 87500, 87850, 94125, 105420, 125500, 131250, 131775, 156875, 175700, 188250, 219625, 262500, 263550, 313750, 376500, 439250, 470625, 527100, 627500, 658875, 784375, 878500, 941250, 1098125, 1317750, 1568750, 1882500, 2196250, 2353125, 2635500, 3137500, 3294375, 4392500, 4706250, 5490625, 6588750, 9412500, 10981250, 13177500, 16471875, 21962500, 32943750, 65887500]

約数ペア:

[(1, 65887500), (2, 32943750), (3, 21962500), (4, 16471875), (5, 13177500), (6, 10981250), (7, 9412500), (10, 6588750), (12, 5490625), (14, 4706250), (15, 4392500), (20, 3294375), (21, 3137500), (25, 2635500), (28, 2353125), (30, 2196250), (35, 1882500), (42, 1568750), (50, 1317750), (60, 1098125), (70, 941250), (75, 878500), (84, 784375), (100, 658875), (105, 627500), (125, 527100), (140, 470625), (150, 439250), (175, 376500), (210, 313750), (250, 263550), (251, 262500), (300, 219625), (350, 188250), (375, 175700), (420, 156875), (500, 131775), (502, 131250), (525, 125500), (625, 105420), (700, 94125), (750, 87850), (753, 87500), (875, 75300), (1004, 65625), (1050, 62750), (1250, 52710), (1255, 52500), (1500, 43925), (1506, 43750), (1750, 37650), (1757, 37500), (1875, 35140), (2100, 31375), (2500, 26355), (2510, 26250), (2625, 25100), (3012, 21875), (3125, 21084), (3500, 18825), (3514, 18750), (3750, 17570), (3765, 17500), (4375, 15060), (5020, 13125), (5250, 12550), (5271, 12500), (6250, 10542), (6275, 10500), (7028, 9375), (7500, 8785), (7530, 8750)]