81257736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 243855360

約数和(自身を除く): 162597624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 47, 56, 82, 84, 94, 123, 141, 164, 168, 188, 246, 251, 282, 287, 328, 329, 376, 492, 502, 564, 574, 658, 753, 861, 984, 987, 1004, 1128, 1148, 1316, 1506, 1722, 1757, 1927, 1974, 2008, 2296, 2632, 3012, 3444, 3514, 3854, 3948, 5271, 5781, 6024, 6888, 7028, 7708, 7896, 10291, 10542, 11562, 11797, 13489, 14056, 15416, 20582, 21084, 23124, 23594, 26978, 30873, 35391, 40467, 41164, 42168, 46248, 47188, 53956, 61746, 70782, 72037, 80934, 82328, 82579, 94376, 107912, 123492, 141564, 144074, 161868, 165158, 216111, 246984, 247737, 283128, 288148, 323736, 330316, 432222, 483677, 495474, 576296, 660632, 864444, 967354, 990948, 1451031, 1728888, 1934708, 1981896, 2902062, 3385739, 3869416, 5804124, 6771478, 10157217, 11608248, 13542956, 20314434, 27085912, 40628868, 81257736]

約数ペア:

[(1, 81257736), (2, 40628868), (3, 27085912), (4, 20314434), (6, 13542956), (7, 11608248), (8, 10157217), (12, 6771478), (14, 5804124), (21, 3869416), (24, 3385739), (28, 2902062), (41, 1981896), (42, 1934708), (47, 1728888), (56, 1451031), (82, 990948), (84, 967354), (94, 864444), (123, 660632), (141, 576296), (164, 495474), (168, 483677), (188, 432222), (246, 330316), (251, 323736), (282, 288148), (287, 283128), (328, 247737), (329, 246984), (376, 216111), (492, 165158), (502, 161868), (564, 144074), (574, 141564), (658, 123492), (753, 107912), (861, 94376), (984, 82579), (987, 82328), (1004, 80934), (1128, 72037), (1148, 70782), (1316, 61746), (1506, 53956), (1722, 47188), (1757, 46248), (1927, 42168), (1974, 41164), (2008, 40467), (2296, 35391), (2632, 30873), (3012, 26978), (3444, 23594), (3514, 23124), (3854, 21084), (3948, 20582), (5271, 15416), (5781, 14056), (6024, 13489), (6888, 11797), (7028, 11562), (7708, 10542), (7896, 10291)]