2991490920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251809}}^1$

素因数の和:251840

約数の個数: 128

約数和(自身を含む): 10878192000

約数和(自身を除く): 7886701080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 251809, 503618, 755427, 1007236, 1259045, 1510854, 2014472, 2266281, 2518090, 2769899, 3021708, 3777135, 4532562, 5036180, 5539798, 6043416, 6798843, 7554270, 8309697, 9065124, 10072360, 11079596, 11331405, 13597686, 13849495, 15108540, 16619394, 18130248, 22159192, 22662810, 24929091, 27195372, 27698990, 30217080, 33238788, 33994215, 41548485, 45325620, 49858182, 54390744, 55397980, 66477576, 67988430, 74787273, 83096970, 90651240, 99716364, 110795960, 124645455, 135976860, 149574546, 166193940, 199432728, 249290910, 271953720, 299149092, 332387880, 373936365, 498581820, 598298184, 747872730, 997163640, 1495745460, 2991490920]

約数ペア:

[(1, 2991490920), (2, 1495745460), (3, 997163640), (4, 747872730), (5, 598298184), (6, 498581820), (8, 373936365), (9, 332387880), (10, 299149092), (11, 271953720), (12, 249290910), (15, 199432728), (18, 166193940), (20, 149574546), (22, 135976860), (24, 124645455), (27, 110795960), (30, 99716364), (33, 90651240), (36, 83096970), (40, 74787273), (44, 67988430), (45, 66477576), (54, 55397980), (55, 54390744), (60, 49858182), (66, 45325620), (72, 41548485), (88, 33994215), (90, 33238788), (99, 30217080), (108, 27698990), (110, 27195372), (120, 24929091), (132, 22662810), (135, 22159192), (165, 18130248), (180, 16619394), (198, 15108540), (216, 13849495), (220, 13597686), (264, 11331405), (270, 11079596), (297, 10072360), (330, 9065124), (360, 8309697), (396, 7554270), (440, 6798843), (495, 6043416), (540, 5539798), (594, 5036180), (660, 4532562), (792, 3777135), (990, 3021708), (1080, 2769899), (1188, 2518090), (1320, 2266281), (1485, 2014472), (1980, 1510854), (2376, 1259045), (2970, 1007236), (3960, 755427), (5940, 503618), (11880, 251809)]