81103760220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{175709}}^1$

素因数の和:175892

約数の個数: 144

約数和(自身を含む): 265850635680

約数和(自身を除く): 184746875460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 196, 210, 245, 294, 314, 420, 471, 490, 588, 628, 735, 785, 942, 980, 1099, 1470, 1570, 1884, 2198, 2355, 2940, 3140, 3297, 4396, 4710, 5495, 6594, 7693, 9420, 10990, 13188, 15386, 16485, 21980, 23079, 30772, 32970, 38465, 46158, 65940, 76930, 92316, 115395, 153860, 175709, 230790, 351418, 461580, 527127, 702836, 878545, 1054254, 1229963, 1757090, 2108508, 2459926, 2635635, 3514180, 3689889, 4919852, 5271270, 6149815, 7379778, 8609741, 10542540, 12299630, 14759556, 17219482, 18449445, 24599260, 25829223, 27586313, 34438964, 36898890, 43048705, 51658446, 55172626, 73797780, 82758939, 86097410, 103316892, 110345252, 129146115, 137931565, 165517878, 172194820, 193104191, 258292230, 275863130, 331035756, 386208382, 413794695, 516584460, 551726260, 579312573, 772416764, 827589390, 965520955, 1158625146, 1351729337, 1655178780, 1931041910, 2317250292, 2703458674, 2896562865, 3862083820, 4055188011, 5406917348, 5793125730, 6758646685, 8110376022, 11586251460, 13517293370, 16220752044, 20275940055, 27034586740, 40551880110, 81103760220]

約数ペア:

[(1, 81103760220), (2, 40551880110), (3, 27034586740), (4, 20275940055), (5, 16220752044), (6, 13517293370), (7, 11586251460), (10, 8110376022), (12, 6758646685), (14, 5793125730), (15, 5406917348), (20, 4055188011), (21, 3862083820), (28, 2896562865), (30, 2703458674), (35, 2317250292), (42, 1931041910), (49, 1655178780), (60, 1351729337), (70, 1158625146), (84, 965520955), (98, 827589390), (105, 772416764), (140, 579312573), (147, 551726260), (157, 516584460), (196, 413794695), (210, 386208382), (245, 331035756), (294, 275863130), (314, 258292230), (420, 193104191), (471, 172194820), (490, 165517878), (588, 137931565), (628, 129146115), (735, 110345252), (785, 103316892), (942, 86097410), (980, 82758939), (1099, 73797780), (1470, 55172626), (1570, 51658446), (1884, 43048705), (2198, 36898890), (2355, 34438964), (2940, 27586313), (3140, 25829223), (3297, 24599260), (4396, 18449445), (4710, 17219482), (5495, 14759556), (6594, 12299630), (7693, 10542540), (9420, 8609741), (10990, 7379778), (13188, 6149815), (15386, 5271270), (16485, 4919852), (21980, 3689889), (23079, 3514180), (30772, 2635635), (32970, 2459926), (38465, 2108508), (46158, 1757090), (65940, 1229963), (76930, 1054254), (92316, 878545), (115395, 702836), (153860, 527127), (175709, 461580), (230790, 351418)]