68777640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1544

約数の個数: 128

約数和(自身を含む): 234748800

約数和(自身を除く): 165971160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1481, 1548, 1720, 1935, 2322, 2580, 2962, 3096, 3870, 4443, 4644, 5160, 5805, 5924, 7405, 7740, 8886, 9288, 11610, 11848, 13329, 14810, 15480, 17772, 22215, 23220, 26658, 29620, 35544, 39987, 44430, 46440, 53316, 59240, 63683, 66645, 79974, 88860, 106632, 127366, 133290, 159948, 177720, 191049, 199935, 254732, 266580, 318415, 319896, 382098, 399870, 509464, 533160, 573147, 636830, 764196, 799740, 955245, 1146294, 1273660, 1528392, 1599480, 1719441, 1910490, 2292588, 2547320, 2865735, 3438882, 3820980, 4585176, 5731470, 6877764, 7641960, 8597205, 11462940, 13755528, 17194410, 22925880, 34388820, 68777640]

約数ペア:

[(1, 68777640), (2, 34388820), (3, 22925880), (4, 17194410), (5, 13755528), (6, 11462940), (8, 8597205), (9, 7641960), (10, 6877764), (12, 5731470), (15, 4585176), (18, 3820980), (20, 3438882), (24, 2865735), (27, 2547320), (30, 2292588), (36, 1910490), (40, 1719441), (43, 1599480), (45, 1528392), (54, 1273660), (60, 1146294), (72, 955245), (86, 799740), (90, 764196), (108, 636830), (120, 573147), (129, 533160), (135, 509464), (172, 399870), (180, 382098), (215, 319896), (216, 318415), (258, 266580), (270, 254732), (344, 199935), (360, 191049), (387, 177720), (430, 159948), (516, 133290), (540, 127366), (645, 106632), (774, 88860), (860, 79974), (1032, 66645), (1080, 63683), (1161, 59240), (1290, 53316), (1481, 46440), (1548, 44430), (1720, 39987), (1935, 35544), (2322, 29620), (2580, 26658), (2962, 23220), (3096, 22215), (3870, 17772), (4443, 15480), (4644, 14810), (5160, 13329), (5805, 11848), (5924, 11610), (7405, 9288), (7740, 8886)]