1640672055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{3449}}^1$

素因数の和:3533

約数の個数: 72

約数和(自身を含む): 3206595600

約数和(自身を除く): 1565923545

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 961, 1023, 1395, 1705, 2883, 3069, 3449, 4805, 5115, 8649, 10347, 10571, 14415, 15345, 17245, 31041, 31713, 37939, 43245, 51735, 52855, 95139, 106919, 113817, 155205, 158565, 189695, 320757, 341451, 475695, 534595, 569085, 962271, 1176109, 1603785, 1707255, 3314489, 3528327, 4811355, 5880545, 9943467, 10584981, 16572445, 17641635, 29830401, 36459379, 49717335, 52924905, 109378137, 149152005, 182296895, 328134411, 546890685, 1640672055]

約数ペア:

[(1, 1640672055), (3, 546890685), (5, 328134411), (9, 182296895), (11, 149152005), (15, 109378137), (31, 52924905), (33, 49717335), (45, 36459379), (55, 29830401), (93, 17641635), (99, 16572445), (155, 10584981), (165, 9943467), (279, 5880545), (341, 4811355), (465, 3528327), (495, 3314489), (961, 1707255), (1023, 1603785), (1395, 1176109), (1705, 962271), (2883, 569085), (3069, 534595), (3449, 475695), (4805, 341451), (5115, 320757), (8649, 189695), (10347, 158565), (10571, 155205), (14415, 113817), (15345, 106919), (17245, 95139), (31041, 52855), (31713, 51735), (37939, 43245)]