205950780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 719409600

約数和(自身を除く): 513458820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 745, 894, 1043, 1097, 1260, 1341, 1490, 1788, 2086, 2194, 2235, 2682, 2980, 3129, 3291, 4172, 4388, 4470, 5215, 5364, 5485, 6258, 6582, 6705, 7679, 8940, 9387, 9873, 10430, 10970, 12516, 13164, 13410, 15358, 15645, 16455, 18774, 19746, 20860, 21940, 23037, 26820, 30716, 31290, 32910, 37548, 38395, 39492, 46074, 46935, 49365, 62580, 65820, 69111, 76790, 92148, 93870, 98730, 115185, 138222, 153580, 163453, 187740, 197460, 230370, 276444, 326906, 345555, 460740, 490359, 653812, 691110, 817265, 980718, 1144171, 1382220, 1471077, 1634530, 1961436, 2288342, 2451795, 2942154, 3269060, 3432513, 4576684, 4903590, 5720855, 5884308, 6865026, 7355385, 9807180, 10297539, 11441710, 13730052, 14710770, 17162565, 20595078, 22883420, 29421540, 34325130, 41190156, 51487695, 68650260, 102975390, 205950780]

約数ペア:

[(1, 205950780), (2, 102975390), (3, 68650260), (4, 51487695), (5, 41190156), (6, 34325130), (7, 29421540), (9, 22883420), (10, 20595078), (12, 17162565), (14, 14710770), (15, 13730052), (18, 11441710), (20, 10297539), (21, 9807180), (28, 7355385), (30, 6865026), (35, 5884308), (36, 5720855), (42, 4903590), (45, 4576684), (60, 3432513), (63, 3269060), (70, 2942154), (84, 2451795), (90, 2288342), (105, 1961436), (126, 1634530), (140, 1471077), (149, 1382220), (180, 1144171), (210, 980718), (252, 817265), (298, 691110), (315, 653812), (420, 490359), (447, 460740), (596, 345555), (630, 326906), (745, 276444), (894, 230370), (1043, 197460), (1097, 187740), (1260, 163453), (1341, 153580), (1490, 138222), (1788, 115185), (2086, 98730), (2194, 93870), (2235, 92148), (2682, 76790), (2980, 69111), (3129, 65820), (3291, 62580), (4172, 49365), (4388, 46935), (4470, 46074), (5215, 39492), (5364, 38395), (5485, 37548), (6258, 32910), (6582, 31290), (6705, 30716), (7679, 26820), (8940, 23037), (9387, 21940), (9873, 20860), (10430, 19746), (10970, 18774), (12516, 16455), (13164, 15645), (13410, 15358)]