1287275520

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2020

約数の個数: 176

約数和(自身を含む): 4215182400

約数和(自身を除く): 2927906880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 430, 480, 512, 516, 640, 645, 688, 768, 860, 960, 1024, 1032, 1280, 1290, 1376, 1536, 1720, 1920, 1949, 2064, 2560, 2580, 2752, 3072, 3440, 3840, 3898, 4128, 5120, 5160, 5504, 5847, 6880, 7680, 7796, 8256, 9745, 10320, 11008, 11694, 13760, 15360, 15592, 16512, 19490, 20640, 22016, 23388, 27520, 29235, 31184, 33024, 38980, 41280, 44032, 46776, 55040, 58470, 62368, 66048, 77960, 82560, 83807, 93552, 110080, 116940, 124736, 132096, 155920, 165120, 167614, 187104, 220160, 233880, 249472, 251421, 311840, 330240, 335228, 374208, 419035, 467760, 498944, 502842, 623680, 660480, 670456, 748416, 838070, 935520, 997888, 1005684, 1247360, 1257105, 1340912, 1496832, 1676140, 1871040, 1995776, 2011368, 2494720, 2514210, 2681824, 2993664, 3352280, 3742080, 4022736, 4989440, 5028420, 5363648, 5987328, 6704560, 7484160, 8045472, 9978880, 10056840, 10727296, 13409120, 14968320, 16090944, 20113680, 21454592, 26818240, 29936640, 32181888, 40227360, 42909184, 53636480, 64363776, 80454720, 85818368, 107272960, 128727552, 160909440, 214545920, 257455104, 321818880, 429091840, 643637760, 1287275520]

約数ペア:

[(1, 1287275520), (2, 643637760), (3, 429091840), (4, 321818880), (5, 257455104), (6, 214545920), (8, 160909440), (10, 128727552), (12, 107272960), (15, 85818368), (16, 80454720), (20, 64363776), (24, 53636480), (30, 42909184), (32, 40227360), (40, 32181888), (43, 29936640), (48, 26818240), (60, 21454592), (64, 20113680), (80, 16090944), (86, 14968320), (96, 13409120), (120, 10727296), (128, 10056840), (129, 9978880), (160, 8045472), (172, 7484160), (192, 6704560), (215, 5987328), (240, 5363648), (256, 5028420), (258, 4989440), (320, 4022736), (344, 3742080), (384, 3352280), (430, 2993664), (480, 2681824), (512, 2514210), (516, 2494720), (640, 2011368), (645, 1995776), (688, 1871040), (768, 1676140), (860, 1496832), (960, 1340912), (1024, 1257105), (1032, 1247360), (1280, 1005684), (1290, 997888), (1376, 935520), (1536, 838070), (1720, 748416), (1920, 670456), (1949, 660480), (2064, 623680), (2560, 502842), (2580, 498944), (2752, 467760), (3072, 419035), (3440, 374208), (3840, 335228), (3898, 330240), (4128, 311840), (5120, 251421), (5160, 249472), (5504, 233880), (5847, 220160), (6880, 187104), (7680, 167614), (7796, 165120), (8256, 155920), (9745, 132096), (10320, 124736), (11008, 116940), (11694, 110080), (13760, 93552), (15360, 83807), (15592, 82560), (16512, 77960), (19490, 66048), (20640, 62368), (22016, 58470), (23388, 55040), (27520, 46776), (29235, 44032), (31184, 41280), (33024, 38980)]