206197740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5332

約数の個数: 144

約数和(自身を含む): 738017280

約数和(自身を除く): 531819540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5279, 5580, 6510, 7812, 9765, 10558, 13020, 15837, 19530, 21116, 26395, 31674, 36953, 39060, 47511, 52790, 63348, 73906, 79185, 95022, 105580, 110859, 147812, 158370, 163649, 184765, 190044, 221718, 237555, 316740, 327298, 332577, 369530, 443436, 475110, 490947, 554295, 654596, 665154, 739060, 818245, 950220, 981894, 1108590, 1145543, 1330308, 1472841, 1636490, 1662885, 1963788, 2217180, 2291086, 2454735, 2945682, 3272980, 3325770, 3436629, 4582172, 4909470, 5727715, 5891364, 6651540, 6873258, 7364205, 9818940, 10309887, 11455430, 13746516, 14728410, 17183145, 20619774, 22910860, 29456820, 34366290, 41239548, 51549435, 68732580, 103098870, 206197740]

約数ペア:

[(1, 206197740), (2, 103098870), (3, 68732580), (4, 51549435), (5, 41239548), (6, 34366290), (7, 29456820), (9, 22910860), (10, 20619774), (12, 17183145), (14, 14728410), (15, 13746516), (18, 11455430), (20, 10309887), (21, 9818940), (28, 7364205), (30, 6873258), (31, 6651540), (35, 5891364), (36, 5727715), (42, 4909470), (45, 4582172), (60, 3436629), (62, 3325770), (63, 3272980), (70, 2945682), (84, 2454735), (90, 2291086), (93, 2217180), (105, 1963788), (124, 1662885), (126, 1636490), (140, 1472841), (155, 1330308), (180, 1145543), (186, 1108590), (210, 981894), (217, 950220), (252, 818245), (279, 739060), (310, 665154), (315, 654596), (372, 554295), (420, 490947), (434, 475110), (465, 443436), (558, 369530), (620, 332577), (630, 327298), (651, 316740), (868, 237555), (930, 221718), (1085, 190044), (1116, 184765), (1260, 163649), (1302, 158370), (1395, 147812), (1860, 110859), (1953, 105580), (2170, 95022), (2604, 79185), (2790, 73906), (3255, 63348), (3906, 52790), (4340, 47511), (5279, 39060), (5580, 36953), (6510, 31674), (7812, 26395), (9765, 21116), (10558, 19530), (13020, 15837)]