1977778080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2053}}^1$

素因数の和:2300

約数の個数: 192

約数和(自身を含む): 6956651520

約数和(自身を除く): 4978873440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 223, 240, 270, 288, 360, 432, 446, 480, 540, 669, 720, 864, 892, 1080, 1115, 1338, 1440, 1784, 2007, 2053, 2160, 2230, 2676, 3345, 3568, 4014, 4106, 4320, 4460, 5352, 6021, 6159, 6690, 7136, 8028, 8212, 8920, 10035, 10265, 10704, 12042, 12318, 13380, 16056, 16424, 17840, 18477, 20070, 20530, 21408, 24084, 24636, 26760, 30105, 30795, 32112, 32848, 35680, 36954, 40140, 41060, 48168, 49272, 53520, 55431, 60210, 61590, 64224, 65696, 73908, 80280, 82120, 92385, 96336, 98544, 107040, 110862, 120420, 123180, 147816, 160560, 164240, 184770, 192672, 197088, 221724, 240840, 246360, 277155, 295632, 321120, 328480, 369540, 443448, 457819, 481680, 492720, 554310, 591264, 739080, 886896, 915638, 963360, 985440, 1108620, 1373457, 1478160, 1773792, 1831276, 2217240, 2289095, 2746914, 2956320, 3662552, 4120371, 4434480, 4578190, 5493828, 6867285, 7325104, 8240742, 8868960, 9156380, 10987656, 12361113, 13734570, 14650208, 16481484, 18312760, 20601855, 21975312, 24722226, 27469140, 32962968, 36625520, 41203710, 43950624, 49444452, 54938280, 61805565, 65925936, 73251040, 82407420, 98888904, 109876560, 123611130, 131851872, 164814840, 197777808, 219753120, 247222260, 329629680, 395555616, 494444520, 659259360, 988889040, 1977778080]

約数ペア:

[(1, 1977778080), (2, 988889040), (3, 659259360), (4, 494444520), (5, 395555616), (6, 329629680), (8, 247222260), (9, 219753120), (10, 197777808), (12, 164814840), (15, 131851872), (16, 123611130), (18, 109876560), (20, 98888904), (24, 82407420), (27, 73251040), (30, 65925936), (32, 61805565), (36, 54938280), (40, 49444452), (45, 43950624), (48, 41203710), (54, 36625520), (60, 32962968), (72, 27469140), (80, 24722226), (90, 21975312), (96, 20601855), (108, 18312760), (120, 16481484), (135, 14650208), (144, 13734570), (160, 12361113), (180, 10987656), (216, 9156380), (223, 8868960), (240, 8240742), (270, 7325104), (288, 6867285), (360, 5493828), (432, 4578190), (446, 4434480), (480, 4120371), (540, 3662552), (669, 2956320), (720, 2746914), (864, 2289095), (892, 2217240), (1080, 1831276), (1115, 1773792), (1338, 1478160), (1440, 1373457), (1784, 1108620), (2007, 985440), (2053, 963360), (2160, 915638), (2230, 886896), (2676, 739080), (3345, 591264), (3568, 554310), (4014, 492720), (4106, 481680), (4320, 457819), (4460, 443448), (5352, 369540), (6021, 328480), (6159, 321120), (6690, 295632), (7136, 277155), (8028, 246360), (8212, 240840), (8920, 221724), (10035, 197088), (10265, 192672), (10704, 184770), (12042, 164240), (12318, 160560), (13380, 147816), (16056, 123180), (16424, 120420), (17840, 110862), (18477, 107040), (20070, 98544), (20530, 96336), (21408, 92385), (24084, 82120), (24636, 80280), (26760, 73908), (30105, 65696), (30795, 64224), (32112, 61590), (32848, 60210), (35680, 55431), (36954, 53520), (40140, 49272), (41060, 48168)]