83784320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 213857280

約数和(自身を除く): 130072960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 103, 124, 128, 155, 160, 164, 205, 206, 248, 310, 320, 328, 410, 412, 496, 515, 620, 640, 656, 820, 824, 992, 1030, 1240, 1271, 1312, 1640, 1648, 1984, 2060, 2480, 2542, 2624, 3193, 3280, 3296, 3968, 4120, 4223, 4960, 5084, 5248, 6355, 6386, 6560, 6592, 8240, 8446, 9920, 10168, 12710, 12772, 13120, 13184, 15965, 16480, 16892, 19840, 20336, 21115, 25420, 25544, 26240, 31930, 32960, 33784, 40672, 42230, 50840, 51088, 63860, 65920, 67568, 81344, 84460, 101680, 102176, 127720, 130913, 135136, 162688, 168920, 203360, 204352, 255440, 261826, 270272, 337840, 406720, 408704, 510880, 523652, 540544, 654565, 675680, 813440, 1021760, 1047304, 1309130, 1351360, 2043520, 2094608, 2618260, 2702720, 4189216, 5236520, 8378432, 10473040, 16756864, 20946080, 41892160, 83784320]

約数ペア:

[(1, 83784320), (2, 41892160), (4, 20946080), (5, 16756864), (8, 10473040), (10, 8378432), (16, 5236520), (20, 4189216), (31, 2702720), (32, 2618260), (40, 2094608), (41, 2043520), (62, 1351360), (64, 1309130), (80, 1047304), (82, 1021760), (103, 813440), (124, 675680), (128, 654565), (155, 540544), (160, 523652), (164, 510880), (205, 408704), (206, 406720), (248, 337840), (310, 270272), (320, 261826), (328, 255440), (410, 204352), (412, 203360), (496, 168920), (515, 162688), (620, 135136), (640, 130913), (656, 127720), (820, 102176), (824, 101680), (992, 84460), (1030, 81344), (1240, 67568), (1271, 65920), (1312, 63860), (1640, 51088), (1648, 50840), (1984, 42230), (2060, 40672), (2480, 33784), (2542, 32960), (2624, 31930), (3193, 26240), (3280, 25544), (3296, 25420), (3968, 21115), (4120, 20336), (4223, 19840), (4960, 16892), (5084, 16480), (5248, 15965), (6355, 13184), (6386, 13120), (6560, 12772), (6592, 12710), (8240, 10168), (8446, 9920)]