2080978020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1571}}^1$

素因数の和:1823

約数の個数: 192

約数和(自身を含む): 7098900480

約数和(自身を除く): 5017922460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 223, 270, 297, 330, 396, 446, 495, 540, 594, 660, 669, 892, 990, 1115, 1188, 1338, 1485, 1571, 1980, 2007, 2230, 2453, 2676, 2970, 3142, 3345, 4014, 4460, 4713, 4906, 5940, 6021, 6284, 6690, 7359, 7855, 8028, 9426, 9812, 10035, 12042, 12265, 13380, 14139, 14718, 15710, 17281, 18852, 20070, 22077, 23565, 24084, 24530, 28278, 29436, 30105, 31420, 34562, 36795, 40140, 42417, 44154, 47130, 49060, 51843, 56556, 60210, 66231, 69124, 70695, 73590, 84834, 86405, 88308, 94260, 103686, 110385, 120420, 132462, 141390, 147180, 155529, 169668, 172810, 207372, 212085, 220770, 259215, 264924, 282780, 311058, 331155, 345620, 350333, 424170, 441540, 466587, 518430, 622116, 662310, 700666, 777645, 848340, 933174, 1036860, 1050999, 1324620, 1401332, 1555290, 1751665, 1866348, 2101998, 2332935, 3110580, 3152997, 3503330, 3853663, 4203996, 4665870, 5254995, 6305994, 7006660, 7707326, 9331740, 9458991, 10509990, 11560989, 12611988, 15414652, 15764985, 18917982, 19268315, 21019980, 23121978, 31529970, 34682967, 37835964, 38536630, 46243956, 47294955, 57804945, 63059940, 69365934, 77073260, 94589910, 104048901, 115609890, 138731868, 173414835, 189179820, 208097802, 231219780, 346829670, 416195604, 520244505, 693659340, 1040489010, 2080978020]

約数ペア:

[(1, 2080978020), (2, 1040489010), (3, 693659340), (4, 520244505), (5, 416195604), (6, 346829670), (9, 231219780), (10, 208097802), (11, 189179820), (12, 173414835), (15, 138731868), (18, 115609890), (20, 104048901), (22, 94589910), (27, 77073260), (30, 69365934), (33, 63059940), (36, 57804945), (44, 47294955), (45, 46243956), (54, 38536630), (55, 37835964), (60, 34682967), (66, 31529970), (90, 23121978), (99, 21019980), (108, 19268315), (110, 18917982), (132, 15764985), (135, 15414652), (165, 12611988), (180, 11560989), (198, 10509990), (220, 9458991), (223, 9331740), (270, 7707326), (297, 7006660), (330, 6305994), (396, 5254995), (446, 4665870), (495, 4203996), (540, 3853663), (594, 3503330), (660, 3152997), (669, 3110580), (892, 2332935), (990, 2101998), (1115, 1866348), (1188, 1751665), (1338, 1555290), (1485, 1401332), (1571, 1324620), (1980, 1050999), (2007, 1036860), (2230, 933174), (2453, 848340), (2676, 777645), (2970, 700666), (3142, 662310), (3345, 622116), (4014, 518430), (4460, 466587), (4713, 441540), (4906, 424170), (5940, 350333), (6021, 345620), (6284, 331155), (6690, 311058), (7359, 282780), (7855, 264924), (8028, 259215), (9426, 220770), (9812, 212085), (10035, 207372), (12042, 172810), (12265, 169668), (13380, 155529), (14139, 147180), (14718, 141390), (15710, 132462), (17281, 120420), (18852, 110385), (20070, 103686), (22077, 94260), (23565, 88308), (24084, 86405), (24530, 84834), (28278, 73590), (29436, 70695), (30105, 69124), (31420, 66231), (34562, 60210), (36795, 56556), (40140, 51843), (42417, 49060), (44154, 47130)]