81920664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 273162240

約数和(自身を除く): 191241576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 37, 42, 46, 56, 63, 69, 72, 74, 84, 92, 111, 126, 138, 148, 161, 168, 184, 191, 207, 222, 252, 259, 276, 296, 322, 333, 382, 414, 444, 483, 504, 518, 552, 573, 644, 666, 764, 777, 828, 851, 888, 966, 1036, 1146, 1288, 1332, 1337, 1449, 1528, 1554, 1656, 1702, 1719, 1932, 2072, 2292, 2331, 2553, 2664, 2674, 2898, 3108, 3404, 3438, 3864, 4011, 4393, 4584, 4662, 5106, 5348, 5796, 5957, 6216, 6808, 6876, 7067, 7659, 8022, 8786, 9324, 10212, 10696, 11592, 11914, 12033, 13179, 13752, 14134, 15318, 16044, 17572, 17871, 18648, 20424, 21201, 23828, 24066, 26358, 28268, 30636, 30751, 32088, 35144, 35742, 39537, 42402, 47656, 48132, 49469, 52716, 53613, 56536, 61272, 61502, 63603, 71484, 79074, 84804, 92253, 96264, 98938, 105432, 107226, 123004, 127206, 142968, 148407, 158148, 162541, 169608, 184506, 197876, 214452, 246008, 254412, 276759, 296814, 316296, 325082, 369012, 395752, 428904, 445221, 487623, 508824, 553518, 593628, 650164, 738024, 890442, 975246, 1107036, 1137787, 1187256, 1300328, 1462869, 1780884, 1950492, 2214072, 2275574, 2925738, 3413361, 3561768, 3900984, 4551148, 5851476, 6826722, 9102296, 10240083, 11702952, 13653444, 20480166, 27306888, 40960332, 81920664]

約数ペア:

[(1, 81920664), (2, 40960332), (3, 27306888), (4, 20480166), (6, 13653444), (7, 11702952), (8, 10240083), (9, 9102296), (12, 6826722), (14, 5851476), (18, 4551148), (21, 3900984), (23, 3561768), (24, 3413361), (28, 2925738), (36, 2275574), (37, 2214072), (42, 1950492), (46, 1780884), (56, 1462869), (63, 1300328), (69, 1187256), (72, 1137787), (74, 1107036), (84, 975246), (92, 890442), (111, 738024), (126, 650164), (138, 593628), (148, 553518), (161, 508824), (168, 487623), (184, 445221), (191, 428904), (207, 395752), (222, 369012), (252, 325082), (259, 316296), (276, 296814), (296, 276759), (322, 254412), (333, 246008), (382, 214452), (414, 197876), (444, 184506), (483, 169608), (504, 162541), (518, 158148), (552, 148407), (573, 142968), (644, 127206), (666, 123004), (764, 107226), (777, 105432), (828, 98938), (851, 96264), (888, 92253), (966, 84804), (1036, 79074), (1146, 71484), (1288, 63603), (1332, 61502), (1337, 61272), (1449, 56536), (1528, 53613), (1554, 52716), (1656, 49469), (1702, 48132), (1719, 47656), (1932, 42402), (2072, 39537), (2292, 35742), (2331, 35144), (2553, 32088), (2664, 30751), (2674, 30636), (2898, 28268), (3108, 26358), (3404, 24066), (3438, 23828), (3864, 21201), (4011, 20424), (4393, 18648), (4584, 17871), (4662, 17572), (5106, 16044), (5348, 15318), (5796, 14134), (5957, 13752), (6216, 13179), (6808, 12033), (6876, 11914), (7067, 11592), (7659, 10696), (8022, 10212), (8786, 9324)]