80742420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 289795968

約数和(自身を除く): 209053548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 81, 90, 92, 99, 108, 110, 115, 132, 135, 138, 162, 165, 180, 197, 198, 207, 220, 230, 253, 270, 276, 297, 324, 330, 345, 394, 396, 405, 414, 460, 495, 506, 540, 591, 594, 621, 660, 690, 759, 788, 810, 828, 891, 985, 990, 1012, 1035, 1182, 1188, 1242, 1265, 1380, 1485, 1518, 1620, 1773, 1782, 1863, 1970, 1980, 2070, 2167, 2277, 2364, 2484, 2530, 2955, 2970, 3036, 3105, 3546, 3564, 3726, 3795, 3940, 4140, 4334, 4455, 4531, 4554, 5060, 5319, 5910, 5940, 6210, 6501, 6831, 7092, 7452, 7590, 8668, 8865, 8910, 9062, 9108, 9315, 10638, 10835, 11385, 11820, 12420, 13002, 13593, 13662, 15180, 15957, 17730, 17820, 18124, 18630, 19503, 20493, 21276, 21670, 22655, 22770, 26004, 26595, 27186, 27324, 31914, 32505, 34155, 35460, 37260, 39006, 40779, 40986, 43340, 45310, 45540, 49841, 53190, 54372, 58509, 63828, 65010, 67965, 68310, 78012, 79785, 81558, 81972, 90620, 97515, 99682, 102465, 106380, 117018, 122337, 130020, 135930, 136620, 149523, 159570, 163116, 175527, 195030, 199364, 203895, 204930, 234036, 244674, 249205, 271860, 292545, 299046, 319140, 351054, 367011, 390060, 407790, 409860, 448569, 489348, 498410, 585090, 598092, 611685, 702108, 734022, 747615, 815580, 877635, 897138, 996820, 1170180, 1223370, 1345707, 1468044, 1495230, 1755270, 1794276, 1835055, 2242845, 2446740, 2691414, 2990460, 3510540, 3670110, 4037121, 4485690, 5382828, 6728535, 7340220, 8074242, 8971380, 13457070, 16148484, 20185605, 26914140, 40371210, 80742420]

約数ペア:

[(1, 80742420), (2, 40371210), (3, 26914140), (4, 20185605), (5, 16148484), (6, 13457070), (9, 8971380), (10, 8074242), (11, 7340220), (12, 6728535), (15, 5382828), (18, 4485690), (20, 4037121), (22, 3670110), (23, 3510540), (27, 2990460), (30, 2691414), (33, 2446740), (36, 2242845), (44, 1835055), (45, 1794276), (46, 1755270), (54, 1495230), (55, 1468044), (60, 1345707), (66, 1223370), (69, 1170180), (81, 996820), (90, 897138), (92, 877635), (99, 815580), (108, 747615), (110, 734022), (115, 702108), (132, 611685), (135, 598092), (138, 585090), (162, 498410), (165, 489348), (180, 448569), (197, 409860), (198, 407790), (207, 390060), (220, 367011), (230, 351054), (253, 319140), (270, 299046), (276, 292545), (297, 271860), (324, 249205), (330, 244674), (345, 234036), (394, 204930), (396, 203895), (405, 199364), (414, 195030), (460, 175527), (495, 163116), (506, 159570), (540, 149523), (591, 136620), (594, 135930), (621, 130020), (660, 122337), (690, 117018), (759, 106380), (788, 102465), (810, 99682), (828, 97515), (891, 90620), (985, 81972), (990, 81558), (1012, 79785), (1035, 78012), (1182, 68310), (1188, 67965), (1242, 65010), (1265, 63828), (1380, 58509), (1485, 54372), (1518, 53190), (1620, 49841), (1773, 45540), (1782, 45310), (1863, 43340), (1970, 40986), (1980, 40779), (2070, 39006), (2167, 37260), (2277, 35460), (2364, 34155), (2484, 32505), (2530, 31914), (2955, 27324), (2970, 27186), (3036, 26595), (3105, 26004), (3546, 22770), (3564, 22655), (3726, 21670), (3795, 21276), (3940, 20493), (4140, 19503), (4334, 18630), (4455, 18124), (4531, 17820), (4554, 17730), (5060, 15957), (5319, 15180), (5910, 13662), (5940, 13593), (6210, 13002), (6501, 12420), (6831, 11820), (7092, 11385), (7452, 10835), (7590, 10638), (8668, 9315), (8865, 9108), (8910, 9062)]