78608000

素因数分解:

$2^7\times 5^3\times {\mathrm{17}}^3$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 207651600

約数和(自身を除く): 129043600

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, 160, 170, 200, 250, 272, 289, 320, 340, 400, 425, 500, 544, 578, 640, 680, 800, 850, 1000, 1088, 1156, 1360, 1445, 1600, 1700, 2000, 2125, 2176, 2312, 2720, 2890, 3200, 3400, 4000, 4250, 4624, 4913, 5440, 5780, 6800, 7225, 8000, 8500, 9248, 9826, 10880, 11560, 13600, 14450, 16000, 17000, 18496, 19652, 23120, 24565, 27200, 28900, 34000, 36125, 36992, 39304, 46240, 49130, 54400, 57800, 68000, 72250, 78608, 92480, 98260, 115600, 122825, 136000, 144500, 157216, 184960, 196520, 231200, 245650, 272000, 289000, 314432, 393040, 462400, 491300, 578000, 614125, 628864, 786080, 924800, 982600, 1156000, 1228250, 1572160, 1965200, 2312000, 2456500, 3144320, 3930400, 4624000, 4913000, 7860800, 9826000, 15721600, 19652000, 39304000, 78608000]

約数ペア:

[(1, 78608000), (2, 39304000), (4, 19652000), (5, 15721600), (8, 9826000), (10, 7860800), (16, 4913000), (17, 4624000), (20, 3930400), (25, 3144320), (32, 2456500), (34, 2312000), (40, 1965200), (50, 1572160), (64, 1228250), (68, 1156000), (80, 982600), (85, 924800), (100, 786080), (125, 628864), (128, 614125), (136, 578000), (160, 491300), (170, 462400), (200, 393040), (250, 314432), (272, 289000), (289, 272000), (320, 245650), (340, 231200), (400, 196520), (425, 184960), (500, 157216), (544, 144500), (578, 136000), (640, 122825), (680, 115600), (800, 98260), (850, 92480), (1000, 78608), (1088, 72250), (1156, 68000), (1360, 57800), (1445, 54400), (1600, 49130), (1700, 46240), (2000, 39304), (2125, 36992), (2176, 36125), (2312, 34000), (2720, 28900), (2890, 27200), (3200, 24565), (3400, 23120), (4000, 19652), (4250, 18496), (4624, 17000), (4913, 16000), (5440, 14450), (5780, 13600), (6800, 11560), (7225, 10880), (8000, 9826), (8500, 9248)]