12978240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1229}}^1$

素因数の和:1260

約数の個数: 112

約数和(自身を含む): 44988480

約数和(自身を除く): 32010240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1229, 1320, 1760, 2112, 2458, 2640, 3520, 3687, 4916, 5280, 6145, 7374, 9832, 10560, 12290, 13519, 14748, 18435, 19664, 24580, 27038, 29496, 36870, 39328, 40557, 49160, 54076, 58992, 67595, 73740, 78656, 81114, 98320, 108152, 117984, 135190, 147480, 162228, 196640, 202785, 216304, 235968, 270380, 294960, 324456, 393280, 405570, 432608, 540760, 589920, 648912, 811140, 865216, 1081520, 1179840, 1297824, 1622280, 2163040, 2595648, 3244560, 4326080, 6489120, 12978240]

約数ペア:

[(1, 12978240), (2, 6489120), (3, 4326080), (4, 3244560), (5, 2595648), (6, 2163040), (8, 1622280), (10, 1297824), (11, 1179840), (12, 1081520), (15, 865216), (16, 811140), (20, 648912), (22, 589920), (24, 540760), (30, 432608), (32, 405570), (33, 393280), (40, 324456), (44, 294960), (48, 270380), (55, 235968), (60, 216304), (64, 202785), (66, 196640), (80, 162228), (88, 147480), (96, 135190), (110, 117984), (120, 108152), (132, 98320), (160, 81114), (165, 78656), (176, 73740), (192, 67595), (220, 58992), (240, 54076), (264, 49160), (320, 40557), (330, 39328), (352, 36870), (440, 29496), (480, 27038), (528, 24580), (660, 19664), (704, 18435), (880, 14748), (960, 13519), (1056, 12290), (1229, 10560), (1320, 9832), (1760, 7374), (2112, 6145), (2458, 5280), (2640, 4916), (3520, 3687)]