80654520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1693}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 242716320

約数和(自身を除く): 162061800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1693, 1985, 2382, 3176, 3386, 3970, 4764, 5079, 5955, 6772, 7940, 8465, 9528, 10158, 11910, 13544, 15880, 16930, 20316, 23820, 25395, 33860, 40632, 47640, 50790, 67720, 101580, 203160, 672121, 1344242, 2016363, 2688484, 3360605, 4032726, 5376968, 6721210, 8065452, 10081815, 13442420, 16130904, 20163630, 26884840, 40327260, 80654520]

約数ペア:

[(1, 80654520), (2, 40327260), (3, 26884840), (4, 20163630), (5, 16130904), (6, 13442420), (8, 10081815), (10, 8065452), (12, 6721210), (15, 5376968), (20, 4032726), (24, 3360605), (30, 2688484), (40, 2016363), (60, 1344242), (120, 672121), (397, 203160), (794, 101580), (1191, 67720), (1588, 50790), (1693, 47640), (1985, 40632), (2382, 33860), (3176, 25395), (3386, 23820), (3970, 20316), (4764, 16930), (5079, 15880), (5955, 13544), (6772, 11910), (7940, 10158), (8465, 9528)]