81555012

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 180

約数和(自身を含む): 271134864

約数和(自身を除く): 189579852

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 81, 84, 98, 99, 108, 126, 132, 147, 154, 162, 189, 196, 198, 231, 252, 294, 297, 308, 324, 378, 396, 441, 462, 467, 539, 567, 588, 594, 693, 756, 882, 891, 924, 934, 1078, 1134, 1188, 1323, 1386, 1401, 1617, 1764, 1782, 1868, 2079, 2156, 2268, 2646, 2772, 2802, 3234, 3269, 3564, 3969, 4158, 4203, 4851, 5137, 5292, 5604, 6237, 6468, 6538, 7938, 8316, 8406, 9702, 9807, 10274, 12474, 12609, 13076, 14553, 15411, 15876, 16812, 19404, 19614, 20548, 22883, 24948, 25218, 29106, 29421, 30822, 35959, 37827, 39228, 43659, 45766, 46233, 50436, 58212, 58842, 61644, 68649, 71918, 75654, 87318, 88263, 91532, 92466, 107877, 117684, 137298, 138699, 143836, 151308, 174636, 176526, 184932, 205947, 215754, 251713, 264789, 274596, 277398, 323631, 353052, 411894, 416097, 431508, 503426, 529578, 554796, 617841, 647262, 755139, 823788, 832194, 970893, 1006852, 1059156, 1235682, 1294524, 1510278, 1664388, 1853523, 1941786, 2265417, 2471364, 2912679, 3020556, 3707046, 3883572, 4530834, 5825358, 6796251, 7414092, 9061668, 11650716, 13592502, 20388753, 27185004, 40777506, 81555012]

約数ペア:

[(1, 81555012), (2, 40777506), (3, 27185004), (4, 20388753), (6, 13592502), (7, 11650716), (9, 9061668), (11, 7414092), (12, 6796251), (14, 5825358), (18, 4530834), (21, 3883572), (22, 3707046), (27, 3020556), (28, 2912679), (33, 2471364), (36, 2265417), (42, 1941786), (44, 1853523), (49, 1664388), (54, 1510278), (63, 1294524), (66, 1235682), (77, 1059156), (81, 1006852), (84, 970893), (98, 832194), (99, 823788), (108, 755139), (126, 647262), (132, 617841), (147, 554796), (154, 529578), (162, 503426), (189, 431508), (196, 416097), (198, 411894), (231, 353052), (252, 323631), (294, 277398), (297, 274596), (308, 264789), (324, 251713), (378, 215754), (396, 205947), (441, 184932), (462, 176526), (467, 174636), (539, 151308), (567, 143836), (588, 138699), (594, 137298), (693, 117684), (756, 107877), (882, 92466), (891, 91532), (924, 88263), (934, 87318), (1078, 75654), (1134, 71918), (1188, 68649), (1323, 61644), (1386, 58842), (1401, 58212), (1617, 50436), (1764, 46233), (1782, 45766), (1868, 43659), (2079, 39228), (2156, 37827), (2268, 35959), (2646, 30822), (2772, 29421), (2802, 29106), (3234, 25218), (3269, 24948), (3564, 22883), (3969, 20548), (4158, 19614), (4203, 19404), (4851, 16812), (5137, 15876), (5292, 15411), (5604, 14553), (6237, 13076), (6468, 12609), (6538, 12474), (7938, 10274), (8316, 9807), (8406, 9702)]