78845320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2467}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 191911680

約数和(自身を除く): 113066360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2467, 3196, 3995, 4934, 6392, 7990, 9868, 12335, 15980, 19736, 24670, 31960, 41939, 49340, 83878, 98680, 115949, 167756, 209695, 231898, 335512, 419390, 463796, 579745, 838780, 927592, 1159490, 1677560, 1971133, 2318980, 3942266, 4637960, 7884532, 9855665, 15769064, 19711330, 39422660, 78845320]

約数ペア:

[(1, 78845320), (2, 39422660), (4, 19711330), (5, 15769064), (8, 9855665), (10, 7884532), (17, 4637960), (20, 3942266), (34, 2318980), (40, 1971133), (47, 1677560), (68, 1159490), (85, 927592), (94, 838780), (136, 579745), (170, 463796), (188, 419390), (235, 335512), (340, 231898), (376, 209695), (470, 167756), (680, 115949), (799, 98680), (940, 83878), (1598, 49340), (1880, 41939), (2467, 31960), (3196, 24670), (3995, 19736), (4934, 15980), (6392, 12335), (7990, 9868)]