81426708

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 180

約数和(自身を含む): 245128576

約数和(自身を除く): 163701868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 67, 81, 93, 99, 108, 121, 124, 132, 134, 162, 186, 198, 201, 242, 268, 279, 297, 324, 341, 363, 372, 396, 402, 484, 558, 594, 603, 682, 726, 737, 804, 837, 891, 1023, 1089, 1116, 1188, 1206, 1364, 1452, 1474, 1674, 1782, 1809, 2046, 2077, 2178, 2211, 2412, 2511, 2948, 3069, 3267, 3348, 3564, 3618, 3751, 4092, 4154, 4356, 4422, 5022, 5427, 6138, 6231, 6534, 6633, 7236, 7502, 8107, 8308, 8844, 9207, 9801, 10044, 10854, 11253, 12276, 12462, 13068, 13266, 15004, 16214, 18414, 18693, 19602, 19899, 21708, 22506, 22847, 24321, 24924, 26532, 27621, 32428, 33759, 36828, 37386, 39204, 39798, 45012, 45694, 48642, 55242, 56079, 59697, 67518, 68541, 72963, 74772, 79596, 91388, 97284, 101277, 110484, 112158, 119394, 135036, 137082, 145926, 168237, 202554, 205623, 218889, 224316, 238788, 251317, 274164, 291852, 303831, 336474, 405108, 411246, 437778, 502634, 607662, 616869, 656667, 672948, 753951, 822492, 875556, 1005268, 1215324, 1233738, 1313334, 1507902, 1850607, 2261853, 2467476, 2626668, 3015804, 3701214, 4523706, 6785559, 7402428, 9047412, 13571118, 20356677, 27142236, 40713354, 81426708]

約数ペア:

[(1, 81426708), (2, 40713354), (3, 27142236), (4, 20356677), (6, 13571118), (9, 9047412), (11, 7402428), (12, 6785559), (18, 4523706), (22, 3701214), (27, 3015804), (31, 2626668), (33, 2467476), (36, 2261853), (44, 1850607), (54, 1507902), (62, 1313334), (66, 1233738), (67, 1215324), (81, 1005268), (93, 875556), (99, 822492), (108, 753951), (121, 672948), (124, 656667), (132, 616869), (134, 607662), (162, 502634), (186, 437778), (198, 411246), (201, 405108), (242, 336474), (268, 303831), (279, 291852), (297, 274164), (324, 251317), (341, 238788), (363, 224316), (372, 218889), (396, 205623), (402, 202554), (484, 168237), (558, 145926), (594, 137082), (603, 135036), (682, 119394), (726, 112158), (737, 110484), (804, 101277), (837, 97284), (891, 91388), (1023, 79596), (1089, 74772), (1116, 72963), (1188, 68541), (1206, 67518), (1364, 59697), (1452, 56079), (1474, 55242), (1674, 48642), (1782, 45694), (1809, 45012), (2046, 39798), (2077, 39204), (2178, 37386), (2211, 36828), (2412, 33759), (2511, 32428), (2948, 27621), (3069, 26532), (3267, 24924), (3348, 24321), (3564, 22847), (3618, 22506), (3751, 21708), (4092, 19899), (4154, 19602), (4356, 18693), (4422, 18414), (5022, 16214), (5427, 15004), (6138, 13266), (6231, 13068), (6534, 12462), (6633, 12276), (7236, 11253), (7502, 10854), (8107, 10044), (8308, 9801), (8844, 9207)]