81418428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 262342080

約数和(自身を除く): 180923652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 39, 42, 52, 58, 63, 78, 84, 87, 91, 116, 117, 126, 156, 174, 182, 203, 234, 252, 261, 273, 348, 364, 377, 406, 468, 522, 546, 609, 754, 812, 819, 857, 1044, 1092, 1131, 1218, 1508, 1638, 1714, 1827, 2262, 2436, 2571, 2639, 3276, 3393, 3428, 3654, 4524, 5142, 5278, 5999, 6786, 7308, 7713, 7917, 10284, 10556, 11141, 11998, 13572, 15426, 15834, 17997, 22282, 23751, 23996, 24853, 30852, 31668, 33423, 35994, 44564, 47502, 49706, 53991, 66846, 71988, 74559, 77987, 95004, 99412, 100269, 107982, 133692, 149118, 155974, 173971, 200538, 215964, 223677, 233961, 298236, 311948, 323089, 347942, 401076, 447354, 467922, 521913, 646178, 695884, 701883, 894708, 935844, 969267, 1043826, 1292356, 1403766, 1565739, 1938534, 2087652, 2261623, 2807532, 2907801, 3131478, 3877068, 4523246, 5815602, 6262956, 6784869, 9046492, 11631204, 13569738, 20354607, 27139476, 40709214, 81418428]

約数ペア:

[(1, 81418428), (2, 40709214), (3, 27139476), (4, 20354607), (6, 13569738), (7, 11631204), (9, 9046492), (12, 6784869), (13, 6262956), (14, 5815602), (18, 4523246), (21, 3877068), (26, 3131478), (28, 2907801), (29, 2807532), (36, 2261623), (39, 2087652), (42, 1938534), (52, 1565739), (58, 1403766), (63, 1292356), (78, 1043826), (84, 969267), (87, 935844), (91, 894708), (116, 701883), (117, 695884), (126, 646178), (156, 521913), (174, 467922), (182, 447354), (203, 401076), (234, 347942), (252, 323089), (261, 311948), (273, 298236), (348, 233961), (364, 223677), (377, 215964), (406, 200538), (468, 173971), (522, 155974), (546, 149118), (609, 133692), (754, 107982), (812, 100269), (819, 99412), (857, 95004), (1044, 77987), (1092, 74559), (1131, 71988), (1218, 66846), (1508, 53991), (1638, 49706), (1714, 47502), (1827, 44564), (2262, 35994), (2436, 33423), (2571, 31668), (2639, 30852), (3276, 24853), (3393, 23996), (3428, 23751), (3654, 22282), (4524, 17997), (5142, 15834), (5278, 15426), (5999, 13572), (6786, 11998), (7308, 11141), (7713, 10556), (7917, 10284)]