220387500

素因数分解:

$2^2\times 3^3\times 5^5\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 144

約数和(自身を含む): 715266720

約数和(自身を除く): 494879220

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, 653, 675, 750, 900, 1125, 1250, 1306, 1350, 1500, 1875, 1959, 2250, 2500, 2612, 2700, 3125, 3265, 3375, 3750, 3918, 4500, 5625, 5877, 6250, 6530, 6750, 7500, 7836, 9375, 9795, 11250, 11754, 12500, 13060, 13500, 16325, 16875, 17631, 18750, 19590, 22500, 23508, 28125, 29385, 32650, 33750, 35262, 37500, 39180, 48975, 56250, 58770, 65300, 67500, 70524, 81625, 84375, 88155, 97950, 112500, 117540, 146925, 163250, 168750, 176310, 195900, 244875, 293850, 326500, 337500, 352620, 408125, 440775, 489750, 587700, 734625, 816250, 881550, 979500, 1224375, 1469250, 1632500, 1763100, 2040625, 2203875, 2448750, 2938500, 3673125, 4081250, 4407750, 4897500, 6121875, 7346250, 8162500, 8815500, 11019375, 12243750, 14692500, 18365625, 22038750, 24487500, 36731250, 44077500, 55096875, 73462500, 110193750, 220387500]

約数ペア:

[(1, 220387500), (2, 110193750), (3, 73462500), (4, 55096875), (5, 44077500), (6, 36731250), (9, 24487500), (10, 22038750), (12, 18365625), (15, 14692500), (18, 12243750), (20, 11019375), (25, 8815500), (27, 8162500), (30, 7346250), (36, 6121875), (45, 4897500), (50, 4407750), (54, 4081250), (60, 3673125), (75, 2938500), (90, 2448750), (100, 2203875), (108, 2040625), (125, 1763100), (135, 1632500), (150, 1469250), (180, 1224375), (225, 979500), (250, 881550), (270, 816250), (300, 734625), (375, 587700), (450, 489750), (500, 440775), (540, 408125), (625, 352620), (653, 337500), (675, 326500), (750, 293850), (900, 244875), (1125, 195900), (1250, 176310), (1306, 168750), (1350, 163250), (1500, 146925), (1875, 117540), (1959, 112500), (2250, 97950), (2500, 88155), (2612, 84375), (2700, 81625), (3125, 70524), (3265, 67500), (3375, 65300), (3750, 58770), (3918, 56250), (4500, 48975), (5625, 39180), (5877, 37500), (6250, 35262), (6530, 33750), (6750, 32650), (7500, 29385), (7836, 28125), (9375, 23508), (9795, 22500), (11250, 19590), (11754, 18750), (12500, 17631), (13060, 16875), (13500, 16325)]