1920565680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727487}}^1$

素因数の和:727514

約数の個数: 80

約数和(自身を含む): 6495012864

約数和(自身を除く): 4574447184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 727487, 1454974, 2182461, 2909948, 3637435, 4364922, 5819896, 7274870, 8002357, 8729844, 10912305, 11639792, 14549740, 16004714, 17459688, 21824610, 24007071, 29099480, 32009428, 34919376, 40011785, 43649220, 48014142, 58198960, 64018856, 80023570, 87298440, 96028284, 120035355, 128037712, 160047140, 174596880, 192056568, 240070710, 320094280, 384113136, 480141420, 640188560, 960282840, 1920565680]

約数ペア:

[(1, 1920565680), (2, 960282840), (3, 640188560), (4, 480141420), (5, 384113136), (6, 320094280), (8, 240070710), (10, 192056568), (11, 174596880), (12, 160047140), (15, 128037712), (16, 120035355), (20, 96028284), (22, 87298440), (24, 80023570), (30, 64018856), (33, 58198960), (40, 48014142), (44, 43649220), (48, 40011785), (55, 34919376), (60, 32009428), (66, 29099480), (80, 24007071), (88, 21824610), (110, 17459688), (120, 16004714), (132, 14549740), (165, 11639792), (176, 10912305), (220, 8729844), (240, 8002357), (264, 7274870), (330, 5819896), (440, 4364922), (528, 3637435), (660, 2909948), (880, 2182461), (1320, 1454974), (2640, 727487)]