81525660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 240371712

約数和(自身を除く): 158846052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 53, 60, 62, 93, 106, 124, 155, 159, 186, 212, 265, 310, 318, 372, 465, 530, 620, 636, 795, 827, 930, 1060, 1590, 1643, 1654, 1860, 2481, 3180, 3286, 3308, 4135, 4929, 4962, 6572, 8215, 8270, 9858, 9924, 12405, 16430, 16540, 19716, 24645, 24810, 25637, 32860, 43831, 49290, 49620, 51274, 76911, 87662, 98580, 102548, 128185, 131493, 153822, 175324, 219155, 256370, 262986, 307644, 384555, 438310, 512740, 525972, 657465, 769110, 876620, 1314930, 1358761, 1538220, 2629860, 2717522, 4076283, 5435044, 6793805, 8152566, 13587610, 16305132, 20381415, 27175220, 40762830, 81525660]

約数ペア:

[(1, 81525660), (2, 40762830), (3, 27175220), (4, 20381415), (5, 16305132), (6, 13587610), (10, 8152566), (12, 6793805), (15, 5435044), (20, 4076283), (30, 2717522), (31, 2629860), (53, 1538220), (60, 1358761), (62, 1314930), (93, 876620), (106, 769110), (124, 657465), (155, 525972), (159, 512740), (186, 438310), (212, 384555), (265, 307644), (310, 262986), (318, 256370), (372, 219155), (465, 175324), (530, 153822), (620, 131493), (636, 128185), (795, 102548), (827, 98580), (930, 87662), (1060, 76911), (1590, 51274), (1643, 49620), (1654, 49290), (1860, 43831), (2481, 32860), (3180, 25637), (3286, 24810), (3308, 24645), (4135, 19716), (4929, 16540), (4962, 16430), (6572, 12405), (8215, 9924), (8270, 9858)]