51131250

素因数分解:

$2^1\times 3^4\times 5^5\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 120

約数和(自身を含む): 144623556

約数和(自身を除く): 93492306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 101, 125, 135, 150, 162, 202, 225, 250, 270, 303, 375, 405, 450, 505, 606, 625, 675, 750, 810, 909, 1010, 1125, 1250, 1350, 1515, 1818, 1875, 2025, 2250, 2525, 2727, 3030, 3125, 3375, 3750, 4050, 4545, 5050, 5454, 5625, 6250, 6750, 7575, 8181, 9090, 9375, 10125, 11250, 12625, 13635, 15150, 16362, 16875, 18750, 20250, 22725, 25250, 27270, 28125, 33750, 37875, 40905, 45450, 50625, 56250, 63125, 68175, 75750, 81810, 84375, 101250, 113625, 126250, 136350, 168750, 189375, 204525, 227250, 253125, 315625, 340875, 378750, 409050, 506250, 568125, 631250, 681750, 946875, 1022625, 1136250, 1704375, 1893750, 2045250, 2840625, 3408750, 5113125, 5681250, 8521875, 10226250, 17043750, 25565625, 51131250]

約数ペア:

[(1, 51131250), (2, 25565625), (3, 17043750), (5, 10226250), (6, 8521875), (9, 5681250), (10, 5113125), (15, 3408750), (18, 2840625), (25, 2045250), (27, 1893750), (30, 1704375), (45, 1136250), (50, 1022625), (54, 946875), (75, 681750), (81, 631250), (90, 568125), (101, 506250), (125, 409050), (135, 378750), (150, 340875), (162, 315625), (202, 253125), (225, 227250), (250, 204525), (270, 189375), (303, 168750), (375, 136350), (405, 126250), (450, 113625), (505, 101250), (606, 84375), (625, 81810), (675, 75750), (750, 68175), (810, 63125), (909, 56250), (1010, 50625), (1125, 45450), (1250, 40905), (1350, 37875), (1515, 33750), (1818, 28125), (1875, 27270), (2025, 25250), (2250, 22725), (2525, 20250), (2727, 18750), (3030, 16875), (3125, 16362), (3375, 15150), (3750, 13635), (4050, 12625), (4545, 11250), (5050, 10125), (5454, 9375), (5625, 9090), (6250, 8181), (6750, 7575)]