8555040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 31508568

約数和(自身を除く): 22953528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 457, 468, 480, 520, 585, 624, 720, 780, 914, 936, 1040, 1170, 1248, 1371, 1440, 1560, 1828, 1872, 2080, 2285, 2340, 2742, 3120, 3656, 3744, 4113, 4570, 4680, 5484, 5941, 6240, 6855, 7312, 8226, 9140, 9360, 10968, 11882, 13710, 14624, 16452, 17823, 18280, 18720, 20565, 21936, 23764, 27420, 29705, 32904, 35646, 36560, 41130, 43872, 47528, 53469, 54840, 59410, 65808, 71292, 73120, 82260, 89115, 95056, 106938, 109680, 118820, 131616, 142584, 164520, 178230, 190112, 213876, 219360, 237640, 267345, 285168, 329040, 356460, 427752, 475280, 534690, 570336, 658080, 712920, 855504, 950560, 1069380, 1425840, 1711008, 2138760, 2851680, 4277520, 8555040]

約数ペア:

[(1, 8555040), (2, 4277520), (3, 2851680), (4, 2138760), (5, 1711008), (6, 1425840), (8, 1069380), (9, 950560), (10, 855504), (12, 712920), (13, 658080), (15, 570336), (16, 534690), (18, 475280), (20, 427752), (24, 356460), (26, 329040), (30, 285168), (32, 267345), (36, 237640), (39, 219360), (40, 213876), (45, 190112), (48, 178230), (52, 164520), (60, 142584), (65, 131616), (72, 118820), (78, 109680), (80, 106938), (90, 95056), (96, 89115), (104, 82260), (117, 73120), (120, 71292), (130, 65808), (144, 59410), (156, 54840), (160, 53469), (180, 47528), (195, 43872), (208, 41130), (234, 36560), (240, 35646), (260, 32904), (288, 29705), (312, 27420), (360, 23764), (390, 21936), (416, 20565), (457, 18720), (468, 18280), (480, 17823), (520, 16452), (585, 14624), (624, 13710), (720, 11882), (780, 10968), (914, 9360), (936, 9140), (1040, 8226), (1170, 7312), (1248, 6855), (1371, 6240), (1440, 5941), (1560, 5484), (1828, 4680), (1872, 4570), (2080, 4113), (2285, 3744), (2340, 3656), (2742, 3120)]