81320148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 256512256

約数和(自身を除く): 175192108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 103, 117, 126, 156, 182, 206, 234, 241, 252, 273, 309, 364, 412, 468, 482, 546, 618, 721, 723, 819, 927, 964, 1092, 1236, 1339, 1442, 1446, 1638, 1687, 1854, 2163, 2169, 2678, 2884, 2892, 3133, 3276, 3374, 3708, 4017, 4326, 4338, 5061, 5356, 6266, 6489, 6748, 8034, 8652, 8676, 9373, 9399, 10122, 12051, 12532, 12978, 15183, 16068, 18746, 18798, 20244, 21931, 24102, 24823, 25956, 28119, 28197, 30366, 37492, 37596, 43862, 48204, 49646, 56238, 56394, 60732, 65793, 74469, 84357, 87724, 99292, 112476, 112788, 131586, 148938, 168714, 173761, 197379, 223407, 263172, 297876, 322699, 337428, 347522, 394758, 446814, 521283, 645398, 695044, 789516, 893628, 968097, 1042566, 1290796, 1563849, 1936194, 2085132, 2258893, 2904291, 3127698, 3872388, 4517786, 5808582, 6255396, 6776679, 9035572, 11617164, 13553358, 20330037, 27106716, 40660074, 81320148]

約数ペア:

[(1, 81320148), (2, 40660074), (3, 27106716), (4, 20330037), (6, 13553358), (7, 11617164), (9, 9035572), (12, 6776679), (13, 6255396), (14, 5808582), (18, 4517786), (21, 3872388), (26, 3127698), (28, 2904291), (36, 2258893), (39, 2085132), (42, 1936194), (52, 1563849), (63, 1290796), (78, 1042566), (84, 968097), (91, 893628), (103, 789516), (117, 695044), (126, 645398), (156, 521283), (182, 446814), (206, 394758), (234, 347522), (241, 337428), (252, 322699), (273, 297876), (309, 263172), (364, 223407), (412, 197379), (468, 173761), (482, 168714), (546, 148938), (618, 131586), (721, 112788), (723, 112476), (819, 99292), (927, 87724), (964, 84357), (1092, 74469), (1236, 65793), (1339, 60732), (1442, 56394), (1446, 56238), (1638, 49646), (1687, 48204), (1854, 43862), (2163, 37596), (2169, 37492), (2678, 30366), (2884, 28197), (2892, 28119), (3133, 25956), (3276, 24823), (3374, 24102), (3708, 21931), (4017, 20244), (4326, 18798), (4338, 18746), (5061, 16068), (5356, 15183), (6266, 12978), (6489, 12532), (6748, 12051), (8034, 10122), (8652, 9399), (8676, 9373)]