128263968

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 216

約数和(自身を含む): 434151900

約数和(自身を除く): 305887932

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 61, 63, 72, 84, 96, 98, 112, 122, 126, 144, 147, 149, 168, 183, 196, 224, 244, 252, 288, 294, 298, 336, 366, 392, 427, 441, 447, 488, 504, 549, 588, 596, 672, 732, 784, 854, 882, 894, 976, 1008, 1043, 1098, 1176, 1192, 1281, 1341, 1464, 1568, 1708, 1764, 1788, 1952, 2016, 2086, 2196, 2352, 2384, 2562, 2682, 2928, 2989, 3129, 3416, 3528, 3576, 3843, 4172, 4392, 4704, 4768, 5124, 5364, 5856, 5978, 6258, 6832, 7056, 7152, 7301, 7686, 8344, 8784, 8967, 9089, 9387, 10248, 10728, 11956, 12516, 13664, 14112, 14304, 14602, 15372, 16688, 17568, 17934, 18178, 18774, 20496, 21456, 21903, 23912, 25032, 26901, 27267, 29204, 30744, 33376, 35868, 36356, 37548, 40992, 42912, 43806, 47824, 50064, 53802, 54534, 58408, 61488, 63623, 65709, 71736, 72712, 75096, 81801, 87612, 95648, 100128, 107604, 109068, 116816, 122976, 127246, 131418, 143472, 145424, 150192, 163602, 175224, 190869, 215208, 218136, 233632, 254492, 262836, 286944, 290848, 300384, 327204, 350448, 381738, 430416, 436272, 445361, 508984, 525672, 572607, 654408, 700896, 763476, 860832, 872544, 890722, 1017968, 1051344, 1145214, 1308816, 1336083, 1526952, 1781444, 2035936, 2102688, 2290428, 2617632, 2672166, 3053904, 3562888, 4008249, 4580856, 5344332, 6107808, 7125776, 8016498, 9161712, 10688664, 14251552, 16032996, 18323424, 21377328, 32065992, 42754656, 64131984, 128263968]

約数ペア:

[(1, 128263968), (2, 64131984), (3, 42754656), (4, 32065992), (6, 21377328), (7, 18323424), (8, 16032996), (9, 14251552), (12, 10688664), (14, 9161712), (16, 8016498), (18, 7125776), (21, 6107808), (24, 5344332), (28, 4580856), (32, 4008249), (36, 3562888), (42, 3053904), (48, 2672166), (49, 2617632), (56, 2290428), (61, 2102688), (63, 2035936), (72, 1781444), (84, 1526952), (96, 1336083), (98, 1308816), (112, 1145214), (122, 1051344), (126, 1017968), (144, 890722), (147, 872544), (149, 860832), (168, 763476), (183, 700896), (196, 654408), (224, 572607), (244, 525672), (252, 508984), (288, 445361), (294, 436272), (298, 430416), (336, 381738), (366, 350448), (392, 327204), (427, 300384), (441, 290848), (447, 286944), (488, 262836), (504, 254492), (549, 233632), (588, 218136), (596, 215208), (672, 190869), (732, 175224), (784, 163602), (854, 150192), (882, 145424), (894, 143472), (976, 131418), (1008, 127246), (1043, 122976), (1098, 116816), (1176, 109068), (1192, 107604), (1281, 100128), (1341, 95648), (1464, 87612), (1568, 81801), (1708, 75096), (1764, 72712), (1788, 71736), (1952, 65709), (2016, 63623), (2086, 61488), (2196, 58408), (2352, 54534), (2384, 53802), (2562, 50064), (2682, 47824), (2928, 43806), (2989, 42912), (3129, 40992), (3416, 37548), (3528, 36356), (3576, 35868), (3843, 33376), (4172, 30744), (4392, 29204), (4704, 27267), (4768, 26901), (5124, 25032), (5364, 23912), (5856, 21903), (5978, 21456), (6258, 20496), (6832, 18774), (7056, 18178), (7152, 17934), (7301, 17568), (7686, 16688), (8344, 15372), (8784, 14602), (8967, 14304), (9089, 14112), (9387, 13664), (10248, 12516), (10728, 11956)]