81839520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 288

約数和(自身を含む): 333994752

約数和(自身を除く): 252155232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 353, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 706, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1059, 1104, 1120, 1260, 1288, 1380, 1412, 1440, 1449, 1610, 1656, 1680, 1765, 1840, 1932, 2016, 2070, 2118, 2208, 2415, 2471, 2520, 2576, 2760, 2824, 2898, 3177, 3220, 3312, 3360, 3530, 3680, 3864, 4140, 4236, 4830, 4942, 5040, 5152, 5295, 5520, 5648, 5796, 6354, 6440, 6624, 7060, 7245, 7413, 7728, 8119, 8280, 8472, 9660, 9884, 10080, 10590, 11040, 11296, 11592, 12355, 12708, 12880, 14120, 14490, 14826, 15456, 15885, 16238, 16560, 16944, 19320, 19768, 21180, 22239, 23184, 24357, 24710, 25416, 25760, 28240, 28980, 29652, 31770, 32476, 33120, 33888, 37065, 38640, 39536, 40595, 42360, 44478, 46368, 48714, 49420, 50832, 56480, 56833, 57960, 59304, 63540, 64952, 73071, 74130, 77280, 79072, 81190, 84720, 88956, 97428, 98840, 101664, 111195, 113666, 115920, 118608, 121785, 127080, 129904, 146142, 148260, 162380, 169440, 170499, 177912, 194856, 197680, 222390, 227332, 231840, 237216, 243570, 254160, 259808, 284165, 292284, 296520, 324760, 340998, 355824, 365355, 389712, 395360, 444780, 454664, 487140, 508320, 511497, 568330, 584568, 593040, 649520, 681996, 711648, 730710, 779424, 852495, 889560, 909328, 974280, 1022994, 1136660, 1169136, 1186080, 1299040, 1363992, 1461420, 1704990, 1779120, 1818656, 1948560, 2045988, 2273320, 2338272, 2557485, 2727984, 2922840, 3409980, 3558240, 3897120, 4091976, 4546640, 5114970, 5455968, 5845680, 6819960, 8183952, 9093280, 10229940, 11691360, 13639920, 16367904, 20459880, 27279840, 40919760, 81839520]

約数ペア:

[(1, 81839520), (2, 40919760), (3, 27279840), (4, 20459880), (5, 16367904), (6, 13639920), (7, 11691360), (8, 10229940), (9, 9093280), (10, 8183952), (12, 6819960), (14, 5845680), (15, 5455968), (16, 5114970), (18, 4546640), (20, 4091976), (21, 3897120), (23, 3558240), (24, 3409980), (28, 2922840), (30, 2727984), (32, 2557485), (35, 2338272), (36, 2273320), (40, 2045988), (42, 1948560), (45, 1818656), (46, 1779120), (48, 1704990), (56, 1461420), (60, 1363992), (63, 1299040), (69, 1186080), (70, 1169136), (72, 1136660), (80, 1022994), (84, 974280), (90, 909328), (92, 889560), (96, 852495), (105, 779424), (112, 730710), (115, 711648), (120, 681996), (126, 649520), (138, 593040), (140, 584568), (144, 568330), (160, 511497), (161, 508320), (168, 487140), (180, 454664), (184, 444780), (207, 395360), (210, 389712), (224, 365355), (230, 355824), (240, 340998), (252, 324760), (276, 296520), (280, 292284), (288, 284165), (315, 259808), (322, 254160), (336, 243570), (345, 237216), (353, 231840), (360, 227332), (368, 222390), (414, 197680), (420, 194856), (460, 177912), (480, 170499), (483, 169440), (504, 162380), (552, 148260), (560, 146142), (630, 129904), (644, 127080), (672, 121785), (690, 118608), (706, 115920), (720, 113666), (736, 111195), (805, 101664), (828, 98840), (840, 97428), (920, 88956), (966, 84720), (1008, 81190), (1035, 79072), (1059, 77280), (1104, 74130), (1120, 73071), (1260, 64952), (1288, 63540), (1380, 59304), (1412, 57960), (1440, 56833), (1449, 56480), (1610, 50832), (1656, 49420), (1680, 48714), (1765, 46368), (1840, 44478), (1932, 42360), (2016, 40595), (2070, 39536), (2118, 38640), (2208, 37065), (2415, 33888), (2471, 33120), (2520, 32476), (2576, 31770), (2760, 29652), (2824, 28980), (2898, 28240), (3177, 25760), (3220, 25416), (3312, 24710), (3360, 24357), (3530, 23184), (3680, 22239), (3864, 21180), (4140, 19768), (4236, 19320), (4830, 16944), (4942, 16560), (5040, 16238), (5152, 15885), (5295, 15456), (5520, 14826), (5648, 14490), (5796, 14120), (6354, 12880), (6440, 12708), (6624, 12355), (7060, 11592), (7245, 11296), (7413, 11040), (7728, 10590), (8119, 10080), (8280, 9884), (8472, 9660)]