79780500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{17729}}^1$

素因数の和:17754

約数の個数: 72

約数和(自身を含む): 251695080

約数和(自身を除く): 171914580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 17729, 35458, 53187, 70916, 88645, 106374, 159561, 177290, 212748, 265935, 319122, 354580, 443225, 531870, 638244, 797805, 886450, 1063740, 1329675, 1595610, 1772900, 2216125, 2659350, 3191220, 3989025, 4432250, 5318700, 6648375, 7978050, 8864500, 13296750, 15956100, 19945125, 26593500, 39890250, 79780500]

約数ペア:

[(1, 79780500), (2, 39890250), (3, 26593500), (4, 19945125), (5, 15956100), (6, 13296750), (9, 8864500), (10, 7978050), (12, 6648375), (15, 5318700), (18, 4432250), (20, 3989025), (25, 3191220), (30, 2659350), (36, 2216125), (45, 1772900), (50, 1595610), (60, 1329675), (75, 1063740), (90, 886450), (100, 797805), (125, 638244), (150, 531870), (180, 443225), (225, 354580), (250, 319122), (300, 265935), (375, 212748), (450, 177290), (500, 159561), (750, 106374), (900, 88645), (1125, 70916), (1500, 53187), (2250, 35458), (4500, 17729)]