81929880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{8429}}^1$

素因数の和:8455

約数の個数: 96

約数和(自身を含む): 276166800

約数和(自身を除く): 194236920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8429, 9720, 16858, 25287, 33716, 42145, 50574, 67432, 75861, 84290, 101148, 126435, 151722, 168580, 202296, 227583, 252870, 303444, 337160, 379305, 455166, 505740, 606888, 682749, 758610, 910332, 1011480, 1137915, 1365498, 1517220, 1820664, 2048247, 2275830, 2730996, 3034440, 3413745, 4096494, 4551660, 5461992, 6827490, 8192988, 9103320, 10241235, 13654980, 16385976, 20482470, 27309960, 40964940, 81929880]

約数ペア:

[(1, 81929880), (2, 40964940), (3, 27309960), (4, 20482470), (5, 16385976), (6, 13654980), (8, 10241235), (9, 9103320), (10, 8192988), (12, 6827490), (15, 5461992), (18, 4551660), (20, 4096494), (24, 3413745), (27, 3034440), (30, 2730996), (36, 2275830), (40, 2048247), (45, 1820664), (54, 1517220), (60, 1365498), (72, 1137915), (81, 1011480), (90, 910332), (108, 758610), (120, 682749), (135, 606888), (162, 505740), (180, 455166), (216, 379305), (243, 337160), (270, 303444), (324, 252870), (360, 227583), (405, 202296), (486, 168580), (540, 151722), (648, 126435), (810, 101148), (972, 84290), (1080, 75861), (1215, 67432), (1620, 50574), (1944, 42145), (2430, 33716), (3240, 25287), (4860, 16858), (8429, 9720)]