81378008880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{49277}}^1$

素因数の和:50283

約数の個数: 160

約数和(自身を含む): 288609813504

約数和(自身を除く): 207231804624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 983, 1680, 1966, 2949, 3932, 4915, 5898, 6881, 7864, 9830, 11796, 13762, 14745, 15728, 19660, 20643, 23592, 27524, 29490, 34405, 39320, 41286, 47184, 49277, 55048, 58980, 68810, 78640, 82572, 98554, 103215, 110096, 117960, 137620, 147831, 165144, 197108, 206430, 235920, 246385, 275240, 295662, 330288, 344939, 394216, 412860, 492770, 550480, 591324, 689878, 739155, 788432, 825720, 985540, 1034817, 1182648, 1379756, 1478310, 1651440, 1724695, 1971080, 2069634, 2365296, 2759512, 2956620, 3449390, 3942160, 4139268, 5174085, 5519024, 5913240, 6898780, 8278536, 10348170, 11826480, 13797560, 16557072, 20696340, 27595120, 41392680, 48439291, 82785360, 96878582, 145317873, 193757164, 242196455, 290635746, 339075037, 387514328, 484392910, 581271492, 678150074, 726589365, 775028656, 968785820, 1017225111, 1162542984, 1356300148, 1453178730, 1695375185, 1937571640, 2034450222, 2325085968, 2712600296, 2906357460, 3390750370, 3875143280, 4068900444, 5086125555, 5425200592, 5812714920, 6781500740, 8137800888, 10172251110, 11625429840, 13563001480, 16275601776, 20344502220, 27126002960, 40689004440, 81378008880]

約数ペア:

[(1, 81378008880), (2, 40689004440), (3, 27126002960), (4, 20344502220), (5, 16275601776), (6, 13563001480), (7, 11625429840), (8, 10172251110), (10, 8137800888), (12, 6781500740), (14, 5812714920), (15, 5425200592), (16, 5086125555), (20, 4068900444), (21, 3875143280), (24, 3390750370), (28, 2906357460), (30, 2712600296), (35, 2325085968), (40, 2034450222), (42, 1937571640), (48, 1695375185), (56, 1453178730), (60, 1356300148), (70, 1162542984), (80, 1017225111), (84, 968785820), (105, 775028656), (112, 726589365), (120, 678150074), (140, 581271492), (168, 484392910), (210, 387514328), (240, 339075037), (280, 290635746), (336, 242196455), (420, 193757164), (560, 145317873), (840, 96878582), (983, 82785360), (1680, 48439291), (1966, 41392680), (2949, 27595120), (3932, 20696340), (4915, 16557072), (5898, 13797560), (6881, 11826480), (7864, 10348170), (9830, 8278536), (11796, 6898780), (13762, 5913240), (14745, 5519024), (15728, 5174085), (19660, 4139268), (20643, 3942160), (23592, 3449390), (27524, 2956620), (29490, 2759512), (34405, 2365296), (39320, 2069634), (41286, 1971080), (47184, 1724695), (49277, 1651440), (55048, 1478310), (58980, 1379756), (68810, 1182648), (78640, 1034817), (82572, 985540), (98554, 825720), (103215, 788432), (110096, 739155), (117960, 689878), (137620, 591324), (147831, 550480), (165144, 492770), (197108, 412860), (206430, 394216), (235920, 344939), (246385, 330288), (275240, 295662)]