81433800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 288

約数和(自身を含む): 327300480

約数和(自身を除く): 245866680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 25, 28, 30, 35, 36, 40, 42, 45, 46, 50, 56, 60, 63, 69, 70, 72, 75, 84, 90, 92, 100, 105, 115, 120, 126, 138, 140, 150, 161, 168, 175, 180, 184, 200, 207, 210, 225, 230, 252, 276, 280, 281, 300, 315, 322, 345, 350, 360, 414, 420, 450, 460, 483, 504, 525, 552, 562, 575, 600, 630, 644, 690, 700, 805, 828, 840, 843, 900, 920, 966, 1035, 1050, 1124, 1150, 1260, 1288, 1380, 1400, 1405, 1449, 1575, 1610, 1656, 1686, 1725, 1800, 1932, 1967, 2070, 2100, 2248, 2300, 2415, 2520, 2529, 2760, 2810, 2898, 3150, 3220, 3372, 3450, 3864, 3934, 4025, 4140, 4200, 4215, 4600, 4830, 5058, 5175, 5620, 5796, 5901, 6300, 6440, 6463, 6744, 6900, 7025, 7245, 7868, 8050, 8280, 8430, 9660, 9835, 10116, 10350, 11240, 11592, 11802, 12075, 12600, 12645, 12926, 13800, 14050, 14490, 15736, 16100, 16860, 17703, 19320, 19389, 19670, 20232, 20700, 21075, 23604, 24150, 25290, 25852, 28100, 28980, 29505, 32200, 32315, 33720, 35406, 36225, 38778, 39340, 41400, 42150, 45241, 47208, 48300, 49175, 50580, 51704, 56200, 57960, 58167, 59010, 63225, 64630, 70812, 72450, 77556, 78680, 84300, 88515, 90482, 96600, 96945, 98350, 101160, 116334, 118020, 126450, 129260, 135723, 141624, 144900, 147525, 155112, 161575, 168600, 177030, 180964, 193890, 196700, 226205, 232668, 236040, 252900, 258520, 271446, 289800, 290835, 295050, 323150, 354060, 361928, 387780, 393400, 407169, 442575, 452410, 465336, 484725, 505800, 542892, 581670, 590100, 646300, 678615, 708120, 775560, 814338, 885150, 904820, 969450, 1085784, 1131025, 1163340, 1180200, 1292600, 1357230, 1454175, 1628676, 1770300, 1809640, 1938900, 2035845, 2262050, 2326680, 2714460, 2908350, 3257352, 3393075, 3540600, 3877800, 4071690, 4524100, 5428920, 5816700, 6786150, 8143380, 9048200, 10179225, 11633400, 13572300, 16286760, 20358450, 27144600, 40716900, 81433800]

約数ペア:

[(1, 81433800), (2, 40716900), (3, 27144600), (4, 20358450), (5, 16286760), (6, 13572300), (7, 11633400), (8, 10179225), (9, 9048200), (10, 8143380), (12, 6786150), (14, 5816700), (15, 5428920), (18, 4524100), (20, 4071690), (21, 3877800), (23, 3540600), (24, 3393075), (25, 3257352), (28, 2908350), (30, 2714460), (35, 2326680), (36, 2262050), (40, 2035845), (42, 1938900), (45, 1809640), (46, 1770300), (50, 1628676), (56, 1454175), (60, 1357230), (63, 1292600), (69, 1180200), (70, 1163340), (72, 1131025), (75, 1085784), (84, 969450), (90, 904820), (92, 885150), (100, 814338), (105, 775560), (115, 708120), (120, 678615), (126, 646300), (138, 590100), (140, 581670), (150, 542892), (161, 505800), (168, 484725), (175, 465336), (180, 452410), (184, 442575), (200, 407169), (207, 393400), (210, 387780), (225, 361928), (230, 354060), (252, 323150), (276, 295050), (280, 290835), (281, 289800), (300, 271446), (315, 258520), (322, 252900), (345, 236040), (350, 232668), (360, 226205), (414, 196700), (420, 193890), (450, 180964), (460, 177030), (483, 168600), (504, 161575), (525, 155112), (552, 147525), (562, 144900), (575, 141624), (600, 135723), (630, 129260), (644, 126450), (690, 118020), (700, 116334), (805, 101160), (828, 98350), (840, 96945), (843, 96600), (900, 90482), (920, 88515), (966, 84300), (1035, 78680), (1050, 77556), (1124, 72450), (1150, 70812), (1260, 64630), (1288, 63225), (1380, 59010), (1400, 58167), (1405, 57960), (1449, 56200), (1575, 51704), (1610, 50580), (1656, 49175), (1686, 48300), (1725, 47208), (1800, 45241), (1932, 42150), (1967, 41400), (2070, 39340), (2100, 38778), (2248, 36225), (2300, 35406), (2415, 33720), (2520, 32315), (2529, 32200), (2760, 29505), (2810, 28980), (2898, 28100), (3150, 25852), (3220, 25290), (3372, 24150), (3450, 23604), (3864, 21075), (3934, 20700), (4025, 20232), (4140, 19670), (4200, 19389), (4215, 19320), (4600, 17703), (4830, 16860), (5058, 16100), (5175, 15736), (5620, 14490), (5796, 14050), (5901, 13800), (6300, 12926), (6440, 12645), (6463, 12600), (6744, 12075), (6900, 11802), (7025, 11592), (7245, 11240), (7868, 10350), (8050, 10116), (8280, 9835), (8430, 9660)]