81657120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10007}}^1$

素因数の和:10042

約数の個数: 96

約数和(自身を含む): 272377728

約数和(自身を除く): 190720608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 4080, 8160, 10007, 20014, 30021, 40028, 50035, 60042, 80056, 100070, 120084, 150105, 160112, 170119, 200140, 240168, 300210, 320224, 340238, 400280, 480336, 510357, 600420, 680476, 800560, 850595, 960672, 1020714, 1200840, 1360952, 1601120, 1701190, 2041428, 2401680, 2551785, 2721904, 3402380, 4082856, 4803360, 5103570, 5443808, 6804760, 8165712, 10207140, 13609520, 16331424, 20414280, 27219040, 40828560, 81657120]

約数ペア:

[(1, 81657120), (2, 40828560), (3, 27219040), (4, 20414280), (5, 16331424), (6, 13609520), (8, 10207140), (10, 8165712), (12, 6804760), (15, 5443808), (16, 5103570), (17, 4803360), (20, 4082856), (24, 3402380), (30, 2721904), (32, 2551785), (34, 2401680), (40, 2041428), (48, 1701190), (51, 1601120), (60, 1360952), (68, 1200840), (80, 1020714), (85, 960672), (96, 850595), (102, 800560), (120, 680476), (136, 600420), (160, 510357), (170, 480336), (204, 400280), (240, 340238), (255, 320224), (272, 300210), (340, 240168), (408, 200140), (480, 170119), (510, 160112), (544, 150105), (680, 120084), (816, 100070), (1020, 80056), (1360, 60042), (1632, 50035), (2040, 40028), (2720, 30021), (4080, 20014), (8160, 10007)]