66391600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 177131520

約数和(自身を除く): 110739920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 88, 100, 110, 158, 176, 191, 200, 220, 275, 316, 382, 395, 400, 440, 550, 632, 764, 790, 869, 880, 955, 1100, 1264, 1528, 1580, 1738, 1910, 1975, 2101, 2200, 3056, 3160, 3476, 3820, 3950, 4202, 4345, 4400, 4775, 6320, 6952, 7640, 7900, 8404, 8690, 9550, 10505, 13904, 15089, 15280, 15800, 16808, 17380, 19100, 21010, 21725, 30178, 31600, 33616, 34760, 38200, 42020, 43450, 52525, 60356, 69520, 75445, 76400, 84040, 86900, 105050, 120712, 150890, 165979, 168080, 173800, 210100, 241424, 301780, 331958, 347600, 377225, 420200, 603560, 663916, 754450, 829895, 840400, 1207120, 1327832, 1508900, 1659790, 2655664, 3017800, 3319580, 4149475, 6035600, 6639160, 8298950, 13278320, 16597900, 33195800, 66391600]

約数ペア:

[(1, 66391600), (2, 33195800), (4, 16597900), (5, 13278320), (8, 8298950), (10, 6639160), (11, 6035600), (16, 4149475), (20, 3319580), (22, 3017800), (25, 2655664), (40, 1659790), (44, 1508900), (50, 1327832), (55, 1207120), (79, 840400), (80, 829895), (88, 754450), (100, 663916), (110, 603560), (158, 420200), (176, 377225), (191, 347600), (200, 331958), (220, 301780), (275, 241424), (316, 210100), (382, 173800), (395, 168080), (400, 165979), (440, 150890), (550, 120712), (632, 105050), (764, 86900), (790, 84040), (869, 76400), (880, 75445), (955, 69520), (1100, 60356), (1264, 52525), (1528, 43450), (1580, 42020), (1738, 38200), (1910, 34760), (1975, 33616), (2101, 31600), (2200, 30178), (3056, 21725), (3160, 21010), (3476, 19100), (3820, 17380), (3950, 16808), (4202, 15800), (4345, 15280), (4400, 15089), (4775, 13904), (6320, 10505), (6952, 9550), (7640, 8690), (7900, 8404)]