77909120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 201960000

約数和(自身を除く): 124050880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 149, 152, 160, 172, 190, 215, 298, 304, 320, 344, 380, 430, 596, 608, 640, 688, 745, 760, 817, 860, 1192, 1216, 1376, 1490, 1520, 1634, 1720, 2384, 2432, 2752, 2831, 2980, 3040, 3268, 3440, 4085, 4768, 5504, 5662, 5960, 6080, 6407, 6536, 6880, 8170, 9536, 11324, 11920, 12160, 12814, 13072, 13760, 14155, 16340, 19072, 22648, 23840, 25628, 26144, 27520, 28310, 32035, 32680, 45296, 47680, 51256, 52288, 56620, 64070, 65360, 90592, 95360, 102512, 104576, 113240, 121733, 128140, 130720, 181184, 205024, 226480, 243466, 256280, 261440, 362368, 410048, 452960, 486932, 512560, 522880, 608665, 820096, 905920, 973864, 1025120, 1217330, 1811840, 1947728, 2050240, 2434660, 3895456, 4100480, 4869320, 7790912, 9738640, 15581824, 19477280, 38954560, 77909120]

約数ペア:

[(1, 77909120), (2, 38954560), (4, 19477280), (5, 15581824), (8, 9738640), (10, 7790912), (16, 4869320), (19, 4100480), (20, 3895456), (32, 2434660), (38, 2050240), (40, 1947728), (43, 1811840), (64, 1217330), (76, 1025120), (80, 973864), (86, 905920), (95, 820096), (128, 608665), (149, 522880), (152, 512560), (160, 486932), (172, 452960), (190, 410048), (215, 362368), (298, 261440), (304, 256280), (320, 243466), (344, 226480), (380, 205024), (430, 181184), (596, 130720), (608, 128140), (640, 121733), (688, 113240), (745, 104576), (760, 102512), (817, 95360), (860, 90592), (1192, 65360), (1216, 64070), (1376, 56620), (1490, 52288), (1520, 51256), (1634, 47680), (1720, 45296), (2384, 32680), (2432, 32035), (2752, 28310), (2831, 27520), (2980, 26144), (3040, 25628), (3268, 23840), (3440, 22648), (4085, 19072), (4768, 16340), (5504, 14155), (5662, 13760), (5960, 13072), (6080, 12814), (6407, 12160), (6536, 11920), (6880, 11324), (8170, 9536)]