215122500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{3187}}^1$

素因数の和:3220

約数の個数: 120

約数和(自身を含む): 697151840

約数和(自身を除く): 482029340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 625, 675, 750, 900, 1125, 1250, 1350, 1500, 1875, 2250, 2500, 2700, 3187, 3375, 3750, 4500, 5625, 6374, 6750, 7500, 9561, 11250, 12748, 13500, 15935, 16875, 19122, 22500, 28683, 31870, 33750, 38244, 47805, 57366, 63740, 67500, 79675, 86049, 95610, 114732, 143415, 159350, 172098, 191220, 239025, 286830, 318700, 344196, 398375, 430245, 478050, 573660, 717075, 796750, 860490, 956100, 1195125, 1434150, 1593500, 1720980, 1991875, 2151225, 2390250, 2868300, 3585375, 3983750, 4302450, 4780500, 5975625, 7170750, 7967500, 8604900, 10756125, 11951250, 14341500, 17926875, 21512250, 23902500, 35853750, 43024500, 53780625, 71707500, 107561250, 215122500]

約数ペア:

[(1, 215122500), (2, 107561250), (3, 71707500), (4, 53780625), (5, 43024500), (6, 35853750), (9, 23902500), (10, 21512250), (12, 17926875), (15, 14341500), (18, 11951250), (20, 10756125), (25, 8604900), (27, 7967500), (30, 7170750), (36, 5975625), (45, 4780500), (50, 4302450), (54, 3983750), (60, 3585375), (75, 2868300), (90, 2390250), (100, 2151225), (108, 1991875), (125, 1720980), (135, 1593500), (150, 1434150), (180, 1195125), (225, 956100), (250, 860490), (270, 796750), (300, 717075), (375, 573660), (450, 478050), (500, 430245), (540, 398375), (625, 344196), (675, 318700), (750, 286830), (900, 239025), (1125, 191220), (1250, 172098), (1350, 159350), (1500, 143415), (1875, 114732), (2250, 95610), (2500, 86049), (2700, 79675), (3187, 67500), (3375, 63740), (3750, 57366), (4500, 47805), (5625, 38244), (6374, 33750), (6750, 31870), (7500, 28683), (9561, 22500), (11250, 19122), (12748, 16875), (13500, 15935)]