128547200

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 339756900

約数和(自身を除く): 211209700

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 139, 160, 170, 200, 272, 278, 289, 320, 340, 400, 425, 544, 556, 578, 640, 680, 695, 800, 850, 1088, 1112, 1156, 1360, 1390, 1445, 1600, 1700, 2176, 2224, 2312, 2363, 2720, 2780, 2890, 3200, 3400, 3475, 4448, 4624, 4726, 5440, 5560, 5780, 6800, 6950, 7225, 8896, 9248, 9452, 10880, 11120, 11560, 11815, 13600, 13900, 14450, 17792, 18496, 18904, 22240, 23120, 23630, 27200, 27800, 28900, 36992, 37808, 40171, 44480, 46240, 47260, 54400, 55600, 57800, 59075, 75616, 80342, 88960, 92480, 94520, 111200, 115600, 118150, 151232, 160684, 184960, 189040, 200855, 222400, 231200, 236300, 302464, 321368, 378080, 401710, 444800, 462400, 472600, 642736, 756160, 803420, 924800, 945200, 1004275, 1285472, 1512320, 1606840, 1890400, 2008550, 2570944, 3213680, 3780800, 4017100, 5141888, 6427360, 7561600, 8034200, 12854720, 16068400, 25709440, 32136800, 64273600, 128547200]

約数ペア:

[(1, 128547200), (2, 64273600), (4, 32136800), (5, 25709440), (8, 16068400), (10, 12854720), (16, 8034200), (17, 7561600), (20, 6427360), (25, 5141888), (32, 4017100), (34, 3780800), (40, 3213680), (50, 2570944), (64, 2008550), (68, 1890400), (80, 1606840), (85, 1512320), (100, 1285472), (128, 1004275), (136, 945200), (139, 924800), (160, 803420), (170, 756160), (200, 642736), (272, 472600), (278, 462400), (289, 444800), (320, 401710), (340, 378080), (400, 321368), (425, 302464), (544, 236300), (556, 231200), (578, 222400), (640, 200855), (680, 189040), (695, 184960), (800, 160684), (850, 151232), (1088, 118150), (1112, 115600), (1156, 111200), (1360, 94520), (1390, 92480), (1445, 88960), (1600, 80342), (1700, 75616), (2176, 59075), (2224, 57800), (2312, 55600), (2363, 54400), (2720, 47260), (2780, 46240), (2890, 44480), (3200, 40171), (3400, 37808), (3475, 36992), (4448, 28900), (4624, 27800), (4726, 27200), (5440, 23630), (5560, 23120), (5780, 22240), (6800, 18904), (6950, 18496), (7225, 17792), (8896, 14450), (9248, 13900), (9452, 13600), (10880, 11815), (11120, 11560)]