121395540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 399434112

約数和(自身を除く): 278038572

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, 263, 294, 314, 420, 471, 490, 526, 588, 628, 735, 785, 789, 942, 980, 1052, 1099, 1315, 1470, 1570, 1578, 1841, 1884, 2198, 2355, 2630, 2940, 3140, 3156, 3297, 3682, 3945, 4396, 4710, 5260, 5495, 5523, 6594, 7364, 7693, 7890, 9205, 9420, 10990, 11046, 12887, 13188, 15386, 15780, 16485, 18410, 21980, 22092, 23079, 25774, 27615, 30772, 32970, 36820, 38465, 38661, 41291, 46158, 51548, 55230, 64435, 65940, 76930, 77322, 82582, 92316, 110460, 115395, 123873, 128870, 153860, 154644, 165164, 193305, 206455, 230790, 247746, 257740, 289037, 386610, 412910, 461580, 495492, 578074, 619365, 773220, 825820, 867111, 1156148, 1238730, 1445185, 1734222, 2023259, 2477460, 2890370, 3468444, 4046518, 4335555, 5780740, 6069777, 8093036, 8671110, 10116295, 12139554, 17342220, 20232590, 24279108, 30348885, 40465180, 60697770, 121395540]

約数ペア:

[(1, 121395540), (2, 60697770), (3, 40465180), (4, 30348885), (5, 24279108), (6, 20232590), (7, 17342220), (10, 12139554), (12, 10116295), (14, 8671110), (15, 8093036), (20, 6069777), (21, 5780740), (28, 4335555), (30, 4046518), (35, 3468444), (42, 2890370), (49, 2477460), (60, 2023259), (70, 1734222), (84, 1445185), (98, 1238730), (105, 1156148), (140, 867111), (147, 825820), (157, 773220), (196, 619365), (210, 578074), (245, 495492), (263, 461580), (294, 412910), (314, 386610), (420, 289037), (471, 257740), (490, 247746), (526, 230790), (588, 206455), (628, 193305), (735, 165164), (785, 154644), (789, 153860), (942, 128870), (980, 123873), (1052, 115395), (1099, 110460), (1315, 92316), (1470, 82582), (1570, 77322), (1578, 76930), (1841, 65940), (1884, 64435), (2198, 55230), (2355, 51548), (2630, 46158), (2940, 41291), (3140, 38661), (3156, 38465), (3297, 36820), (3682, 32970), (3945, 30772), (4396, 27615), (4710, 25774), (5260, 23079), (5495, 22092), (5523, 21980), (6594, 18410), (7364, 16485), (7693, 15780), (7890, 15386), (9205, 13188), (9420, 12887), (10990, 11046)]