181372500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{2687}}^1$

素因数の和:2720

約数の個数: 120

約数和(自身を含む): 587811840

約数和(自身を除く): 406439340

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, 2687, 2700, 3375, 3750, 4500, 5374, 5625, 6750, 7500, 8061, 10748, 11250, 13435, 13500, 16122, 16875, 22500, 24183, 26870, 32244, 33750, 40305, 48366, 53740, 67175, 67500, 72549, 80610, 96732, 120915, 134350, 145098, 161220, 201525, 241830, 268700, 290196, 335875, 362745, 403050, 483660, 604575, 671750, 725490, 806100, 1007625, 1209150, 1343500, 1450980, 1679375, 1813725, 2015250, 2418300, 3022875, 3358750, 3627450, 4030500, 5038125, 6045750, 6717500, 7254900, 9068625, 10076250, 12091500, 15114375, 18137250, 20152500, 30228750, 36274500, 45343125, 60457500, 90686250, 181372500]

約数ペア:

[(1, 181372500), (2, 90686250), (3, 60457500), (4, 45343125), (5, 36274500), (6, 30228750), (9, 20152500), (10, 18137250), (12, 15114375), (15, 12091500), (18, 10076250), (20, 9068625), (25, 7254900), (27, 6717500), (30, 6045750), (36, 5038125), (45, 4030500), (50, 3627450), (54, 3358750), (60, 3022875), (75, 2418300), (90, 2015250), (100, 1813725), (108, 1679375), (125, 1450980), (135, 1343500), (150, 1209150), (180, 1007625), (225, 806100), (250, 725490), (270, 671750), (300, 604575), (375, 483660), (450, 403050), (500, 362745), (540, 335875), (625, 290196), (675, 268700), (750, 241830), (900, 201525), (1125, 161220), (1250, 145098), (1350, 134350), (1500, 120915), (1875, 96732), (2250, 80610), (2500, 72549), (2687, 67500), (2700, 67175), (3375, 53740), (3750, 48366), (4500, 40305), (5374, 33750), (5625, 32244), (6750, 26870), (7500, 24183), (8061, 22500), (10748, 16875), (11250, 16122), (13435, 13500)]