87717280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 252516096

約数和(自身を除く): 164798816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 271, 272, 280, 289, 340, 476, 542, 544, 560, 578, 595, 680, 952, 1084, 1120, 1156, 1190, 1355, 1360, 1445, 1897, 1904, 2023, 2168, 2312, 2380, 2710, 2720, 2890, 3794, 3808, 4046, 4336, 4607, 4624, 4760, 5420, 5780, 7588, 8092, 8672, 9214, 9248, 9485, 9520, 10115, 10840, 11560, 15176, 16184, 18428, 18970, 19040, 20230, 21680, 23035, 23120, 30352, 32249, 32368, 36856, 37940, 40460, 43360, 46070, 46240, 60704, 64498, 64736, 73712, 75880, 78319, 80920, 92140, 128996, 147424, 151760, 156638, 161245, 161840, 184280, 257992, 303520, 313276, 322490, 323680, 368560, 391595, 515984, 548233, 626552, 644980, 737120, 783190, 1031968, 1096466, 1253104, 1289960, 1566380, 2192932, 2506208, 2579920, 2741165, 3132760, 4385864, 5159840, 5482330, 6265520, 8771728, 10964660, 12531040, 17543456, 21929320, 43858640, 87717280]

約数ペア:

[(1, 87717280), (2, 43858640), (4, 21929320), (5, 17543456), (7, 12531040), (8, 10964660), (10, 8771728), (14, 6265520), (16, 5482330), (17, 5159840), (20, 4385864), (28, 3132760), (32, 2741165), (34, 2579920), (35, 2506208), (40, 2192932), (56, 1566380), (68, 1289960), (70, 1253104), (80, 1096466), (85, 1031968), (112, 783190), (119, 737120), (136, 644980), (140, 626552), (160, 548233), (170, 515984), (224, 391595), (238, 368560), (271, 323680), (272, 322490), (280, 313276), (289, 303520), (340, 257992), (476, 184280), (542, 161840), (544, 161245), (560, 156638), (578, 151760), (595, 147424), (680, 128996), (952, 92140), (1084, 80920), (1120, 78319), (1156, 75880), (1190, 73712), (1355, 64736), (1360, 64498), (1445, 60704), (1897, 46240), (1904, 46070), (2023, 43360), (2168, 40460), (2312, 37940), (2380, 36856), (2710, 32368), (2720, 32249), (2890, 30352), (3794, 23120), (3808, 23035), (4046, 21680), (4336, 20230), (4607, 19040), (4624, 18970), (4760, 18428), (5420, 16184), (5780, 15176), (7588, 11560), (8092, 10840), (8672, 10115), (9214, 9520), (9248, 9485)]