218362500

素因数分解:

$2^2\times 3^3\times 5^5\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 144

約数和(自身を含む): 708704640

約数和(自身を除く): 490342140

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, 647, 675, 750, 900, 1125, 1250, 1294, 1350, 1500, 1875, 1941, 2250, 2500, 2588, 2700, 3125, 3235, 3375, 3750, 3882, 4500, 5625, 5823, 6250, 6470, 6750, 7500, 7764, 9375, 9705, 11250, 11646, 12500, 12940, 13500, 16175, 16875, 17469, 18750, 19410, 22500, 23292, 28125, 29115, 32350, 33750, 34938, 37500, 38820, 48525, 56250, 58230, 64700, 67500, 69876, 80875, 84375, 87345, 97050, 112500, 116460, 145575, 161750, 168750, 174690, 194100, 242625, 291150, 323500, 337500, 349380, 404375, 436725, 485250, 582300, 727875, 808750, 873450, 970500, 1213125, 1455750, 1617500, 1746900, 2021875, 2183625, 2426250, 2911500, 3639375, 4043750, 4367250, 4852500, 6065625, 7278750, 8087500, 8734500, 10918125, 12131250, 14557500, 18196875, 21836250, 24262500, 36393750, 43672500, 54590625, 72787500, 109181250, 218362500]

約数ペア:

[(1, 218362500), (2, 109181250), (3, 72787500), (4, 54590625), (5, 43672500), (6, 36393750), (9, 24262500), (10, 21836250), (12, 18196875), (15, 14557500), (18, 12131250), (20, 10918125), (25, 8734500), (27, 8087500), (30, 7278750), (36, 6065625), (45, 4852500), (50, 4367250), (54, 4043750), (60, 3639375), (75, 2911500), (90, 2426250), (100, 2183625), (108, 2021875), (125, 1746900), (135, 1617500), (150, 1455750), (180, 1213125), (225, 970500), (250, 873450), (270, 808750), (300, 727875), (375, 582300), (450, 485250), (500, 436725), (540, 404375), (625, 349380), (647, 337500), (675, 323500), (750, 291150), (900, 242625), (1125, 194100), (1250, 174690), (1294, 168750), (1350, 161750), (1500, 145575), (1875, 116460), (1941, 112500), (2250, 97050), (2500, 87345), (2588, 84375), (2700, 80875), (3125, 69876), (3235, 67500), (3375, 64700), (3750, 58230), (3882, 56250), (4500, 48525), (5625, 38820), (5823, 37500), (6250, 34938), (6470, 33750), (6750, 32350), (7500, 29115), (7764, 28125), (9375, 23292), (9705, 22500), (11250, 19410), (11646, 18750), (12500, 17469), (12940, 16875), (13500, 16175)]