80794880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 131127040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 79, 80, 85, 94, 128, 136, 158, 160, 170, 188, 235, 256, 272, 316, 320, 340, 376, 395, 470, 544, 632, 640, 680, 752, 790, 799, 940, 1088, 1264, 1280, 1343, 1360, 1504, 1580, 1598, 1880, 2176, 2528, 2686, 2720, 3008, 3160, 3196, 3713, 3760, 3995, 4352, 5056, 5372, 5440, 6016, 6320, 6392, 6715, 7426, 7520, 7990, 10112, 10744, 10880, 12032, 12640, 12784, 13430, 14852, 15040, 15980, 18565, 20224, 21488, 21760, 25280, 25568, 26860, 29704, 30080, 31960, 37130, 42976, 50560, 51136, 53720, 59408, 60160, 63121, 63920, 74260, 85952, 101120, 102272, 107440, 118816, 126242, 127840, 148520, 171904, 204544, 214880, 237632, 252484, 255680, 297040, 315605, 343808, 429760, 475264, 504968, 511360, 594080, 631210, 859520, 950528, 1009936, 1022720, 1188160, 1262420, 1719040, 2019872, 2376320, 2524840, 4039744, 4752640, 5049680, 8079488, 10099360, 16158976, 20198720, 40397440, 80794880]

約数ペア:

[(1, 80794880), (2, 40397440), (4, 20198720), (5, 16158976), (8, 10099360), (10, 8079488), (16, 5049680), (17, 4752640), (20, 4039744), (32, 2524840), (34, 2376320), (40, 2019872), (47, 1719040), (64, 1262420), (68, 1188160), (79, 1022720), (80, 1009936), (85, 950528), (94, 859520), (128, 631210), (136, 594080), (158, 511360), (160, 504968), (170, 475264), (188, 429760), (235, 343808), (256, 315605), (272, 297040), (316, 255680), (320, 252484), (340, 237632), (376, 214880), (395, 204544), (470, 171904), (544, 148520), (632, 127840), (640, 126242), (680, 118816), (752, 107440), (790, 102272), (799, 101120), (940, 85952), (1088, 74260), (1264, 63920), (1280, 63121), (1343, 60160), (1360, 59408), (1504, 53720), (1580, 51136), (1598, 50560), (1880, 42976), (2176, 37130), (2528, 31960), (2686, 30080), (2720, 29704), (3008, 26860), (3160, 25568), (3196, 25280), (3713, 21760), (3760, 21488), (3995, 20224), (4352, 18565), (5056, 15980), (5372, 15040), (5440, 14852), (6016, 13430), (6320, 12784), (6392, 12640), (6715, 12032), (7426, 10880), (7520, 10744), (7990, 10112)]