78192720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 264316416

約数和(自身を除く): 186123696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 487, 669, 720, 892, 974, 1115, 1338, 1461, 1784, 1948, 2007, 2230, 2435, 2676, 2922, 3345, 3568, 3896, 4014, 4383, 4460, 4870, 5352, 5844, 6690, 7305, 7792, 8028, 8766, 8920, 9740, 10035, 10704, 11688, 13380, 14610, 16056, 17532, 17840, 19480, 20070, 21915, 23376, 26760, 29220, 32112, 35064, 38960, 40140, 43830, 53520, 58440, 70128, 80280, 87660, 108601, 116880, 160560, 175320, 217202, 325803, 350640, 434404, 543005, 651606, 868808, 977409, 1086010, 1303212, 1629015, 1737616, 1954818, 2172020, 2606424, 3258030, 3909636, 4344040, 4887045, 5212848, 6516060, 7819272, 8688080, 9774090, 13032120, 15638544, 19548180, 26064240, 39096360, 78192720]

約数ペア:

[(1, 78192720), (2, 39096360), (3, 26064240), (4, 19548180), (5, 15638544), (6, 13032120), (8, 9774090), (9, 8688080), (10, 7819272), (12, 6516060), (15, 5212848), (16, 4887045), (18, 4344040), (20, 3909636), (24, 3258030), (30, 2606424), (36, 2172020), (40, 1954818), (45, 1737616), (48, 1629015), (60, 1303212), (72, 1086010), (80, 977409), (90, 868808), (120, 651606), (144, 543005), (180, 434404), (223, 350640), (240, 325803), (360, 217202), (446, 175320), (487, 160560), (669, 116880), (720, 108601), (892, 87660), (974, 80280), (1115, 70128), (1338, 58440), (1461, 53520), (1784, 43830), (1948, 40140), (2007, 38960), (2230, 35064), (2435, 32112), (2676, 29220), (2922, 26760), (3345, 23376), (3568, 21915), (3896, 20070), (4014, 19480), (4383, 17840), (4460, 17532), (4870, 16056), (5352, 14610), (5844, 13380), (6690, 11688), (7305, 10704), (7792, 10035), (8028, 9740), (8766, 8920)]