81449580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 246677760

約数和(自身を除く): 165228180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 703, 740, 1110, 1140, 1406, 1931, 2109, 2220, 2812, 3515, 3862, 4218, 5793, 7030, 7724, 8436, 9655, 10545, 11586, 14060, 19310, 21090, 23172, 28965, 36689, 38620, 42180, 57930, 71447, 73378, 110067, 115860, 142894, 146756, 183445, 214341, 220134, 285788, 357235, 366890, 428682, 440268, 550335, 714470, 733780, 857364, 1071705, 1100670, 1357493, 1428940, 2143410, 2201340, 2714986, 4072479, 4286820, 5429972, 6787465, 8144958, 13574930, 16289916, 20362395, 27149860, 40724790, 81449580]

約数ペア:

[(1, 81449580), (2, 40724790), (3, 27149860), (4, 20362395), (5, 16289916), (6, 13574930), (10, 8144958), (12, 6787465), (15, 5429972), (19, 4286820), (20, 4072479), (30, 2714986), (37, 2201340), (38, 2143410), (57, 1428940), (60, 1357493), (74, 1100670), (76, 1071705), (95, 857364), (111, 733780), (114, 714470), (148, 550335), (185, 440268), (190, 428682), (222, 366890), (228, 357235), (285, 285788), (370, 220134), (380, 214341), (444, 183445), (555, 146756), (570, 142894), (703, 115860), (740, 110067), (1110, 73378), (1140, 71447), (1406, 57930), (1931, 42180), (2109, 38620), (2220, 36689), (2812, 28965), (3515, 23172), (3862, 21090), (4218, 19310), (5793, 14060), (7030, 11586), (7724, 10545), (8436, 9655)]