780004080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{120371}}^1$

素因数の和:120396

約数の個数: 100

約数和(自身を含む): 2709092232

約数和(自身を除く): 1929088152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 120371, 240742, 361113, 481484, 601855, 722226, 962968, 1083339, 1203710, 1444452, 1805565, 1925936, 2166678, 2407420, 2888904, 3250017, 3611130, 4333356, 4814840, 5416695, 5777808, 6500034, 7222260, 8666712, 9629680, 9750051, 10833390, 13000068, 14444520, 16250085, 17333424, 19500102, 21666780, 26000136, 28889040, 32500170, 39000204, 43333560, 48750255, 52000272, 65000340, 78000408, 86667120, 97500510, 130000680, 156000816, 195001020, 260001360, 390002040, 780004080]

約数ペア:

[(1, 780004080), (2, 390002040), (3, 260001360), (4, 195001020), (5, 156000816), (6, 130000680), (8, 97500510), (9, 86667120), (10, 78000408), (12, 65000340), (15, 52000272), (16, 48750255), (18, 43333560), (20, 39000204), (24, 32500170), (27, 28889040), (30, 26000136), (36, 21666780), (40, 19500102), (45, 17333424), (48, 16250085), (54, 14444520), (60, 13000068), (72, 10833390), (80, 9750051), (81, 9629680), (90, 8666712), (108, 7222260), (120, 6500034), (135, 5777808), (144, 5416695), (162, 4814840), (180, 4333356), (216, 3611130), (240, 3250017), (270, 2888904), (324, 2407420), (360, 2166678), (405, 1925936), (432, 1805565), (540, 1444452), (648, 1203710), (720, 1083339), (810, 962968), (1080, 722226), (1296, 601855), (1620, 481484), (2160, 361113), (3240, 240742), (6480, 120371)]