1285472000

素因数分解:

$2^8\times 5^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 216

約数和(自身を含む): 3426193680

約数和(自身を除く): 2140721680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 139, 160, 170, 200, 250, 256, 272, 278, 289, 320, 340, 400, 425, 500, 544, 556, 578, 640, 680, 695, 800, 850, 1000, 1088, 1112, 1156, 1280, 1360, 1390, 1445, 1600, 1700, 2000, 2125, 2176, 2224, 2312, 2363, 2720, 2780, 2890, 3200, 3400, 3475, 4000, 4250, 4352, 4448, 4624, 4726, 5440, 5560, 5780, 6400, 6800, 6950, 7225, 8000, 8500, 8896, 9248, 9452, 10880, 11120, 11560, 11815, 13600, 13900, 14450, 16000, 17000, 17375, 17792, 18496, 18904, 21760, 22240, 23120, 23630, 27200, 27800, 28900, 32000, 34000, 34750, 35584, 36125, 36992, 37808, 40171, 44480, 46240, 47260, 54400, 55600, 57800, 59075, 68000, 69500, 72250, 73984, 75616, 80342, 88960, 92480, 94520, 108800, 111200, 115600, 118150, 136000, 139000, 144500, 151232, 160684, 177920, 184960, 189040, 200855, 222400, 231200, 236300, 272000, 278000, 289000, 295375, 302464, 321368, 369920, 378080, 401710, 444800, 462400, 472600, 544000, 556000, 578000, 590750, 604928, 642736, 756160, 803420, 889600, 924800, 945200, 1004275, 1112000, 1156000, 1181500, 1285472, 1512320, 1606840, 1849600, 1890400, 2008550, 2224000, 2312000, 2363000, 2570944, 3024640, 3213680, 3780800, 4017100, 4448000, 4624000, 4726000, 5021375, 5141888, 6427360, 7561600, 8034200, 9248000, 9452000, 10042750, 10283776, 12854720, 15123200, 16068400, 18904000, 20085500, 25709440, 32136800, 37808000, 40171000, 51418880, 64273600, 75616000, 80342000, 128547200, 160684000, 257094400, 321368000, 642736000, 1285472000]

約数ペア:

[(1, 1285472000), (2, 642736000), (4, 321368000), (5, 257094400), (8, 160684000), (10, 128547200), (16, 80342000), (17, 75616000), (20, 64273600), (25, 51418880), (32, 40171000), (34, 37808000), (40, 32136800), (50, 25709440), (64, 20085500), (68, 18904000), (80, 16068400), (85, 15123200), (100, 12854720), (125, 10283776), (128, 10042750), (136, 9452000), (139, 9248000), (160, 8034200), (170, 7561600), (200, 6427360), (250, 5141888), (256, 5021375), (272, 4726000), (278, 4624000), (289, 4448000), (320, 4017100), (340, 3780800), (400, 3213680), (425, 3024640), (500, 2570944), (544, 2363000), (556, 2312000), (578, 2224000), (640, 2008550), (680, 1890400), (695, 1849600), (800, 1606840), (850, 1512320), (1000, 1285472), (1088, 1181500), (1112, 1156000), (1156, 1112000), (1280, 1004275), (1360, 945200), (1390, 924800), (1445, 889600), (1600, 803420), (1700, 756160), (2000, 642736), (2125, 604928), (2176, 590750), (2224, 578000), (2312, 556000), (2363, 544000), (2720, 472600), (2780, 462400), (2890, 444800), (3200, 401710), (3400, 378080), (3475, 369920), (4000, 321368), (4250, 302464), (4352, 295375), (4448, 289000), (4624, 278000), (4726, 272000), (5440, 236300), (5560, 231200), (5780, 222400), (6400, 200855), (6800, 189040), (6950, 184960), (7225, 177920), (8000, 160684), (8500, 151232), (8896, 144500), (9248, 139000), (9452, 136000), (10880, 118150), (11120, 115600), (11560, 111200), (11815, 108800), (13600, 94520), (13900, 92480), (14450, 88960), (16000, 80342), (17000, 75616), (17375, 73984), (17792, 72250), (18496, 69500), (18904, 68000), (21760, 59075), (22240, 57800), (23120, 55600), (23630, 54400), (27200, 47260), (27800, 46240), (28900, 44480), (32000, 40171), (34000, 37808), (34750, 36992), (35584, 36125)]