74784780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 216

約数和(自身を含む): 270138960

約数和(自身を除く): 195354180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 139, 140, 147, 180, 183, 196, 210, 244, 245, 252, 278, 294, 305, 315, 366, 417, 420, 427, 441, 490, 549, 556, 588, 610, 630, 695, 732, 735, 834, 854, 882, 915, 973, 980, 1098, 1220, 1251, 1260, 1281, 1390, 1470, 1668, 1708, 1764, 1830, 1946, 2085, 2135, 2196, 2205, 2502, 2562, 2745, 2780, 2919, 2940, 2989, 3660, 3843, 3892, 4170, 4270, 4410, 4865, 5004, 5124, 5490, 5838, 5978, 6255, 6405, 6811, 7686, 8340, 8479, 8540, 8757, 8820, 8967, 9730, 10980, 11676, 11956, 12510, 12810, 13622, 14595, 14945, 15372, 16958, 17514, 17934, 19215, 19460, 20433, 25020, 25437, 25620, 26901, 27244, 29190, 29890, 33916, 34055, 35028, 35868, 38430, 40866, 42395, 43785, 44835, 50874, 53802, 58380, 59353, 59780, 61299, 68110, 76311, 76860, 81732, 84790, 87570, 89670, 101748, 102165, 107604, 118706, 122598, 127185, 134505, 136220, 152622, 169580, 175140, 178059, 179340, 204330, 237412, 245196, 254370, 269010, 296765, 305244, 306495, 356118, 381555, 408660, 415471, 508740, 534177, 538020, 593530, 612990, 712236, 763110, 830942, 890295, 1068354, 1187060, 1225980, 1246413, 1526220, 1661884, 1780590, 2077355, 2136708, 2492826, 2670885, 3561180, 3739239, 4154710, 4985652, 5341770, 6232065, 7478478, 8309420, 10683540, 12464130, 14956956, 18696195, 24928260, 37392390, 74784780]

約数ペア:

[(1, 74784780), (2, 37392390), (3, 24928260), (4, 18696195), (5, 14956956), (6, 12464130), (7, 10683540), (9, 8309420), (10, 7478478), (12, 6232065), (14, 5341770), (15, 4985652), (18, 4154710), (20, 3739239), (21, 3561180), (28, 2670885), (30, 2492826), (35, 2136708), (36, 2077355), (42, 1780590), (45, 1661884), (49, 1526220), (60, 1246413), (61, 1225980), (63, 1187060), (70, 1068354), (84, 890295), (90, 830942), (98, 763110), (105, 712236), (122, 612990), (126, 593530), (139, 538020), (140, 534177), (147, 508740), (180, 415471), (183, 408660), (196, 381555), (210, 356118), (244, 306495), (245, 305244), (252, 296765), (278, 269010), (294, 254370), (305, 245196), (315, 237412), (366, 204330), (417, 179340), (420, 178059), (427, 175140), (441, 169580), (490, 152622), (549, 136220), (556, 134505), (588, 127185), (610, 122598), (630, 118706), (695, 107604), (732, 102165), (735, 101748), (834, 89670), (854, 87570), (882, 84790), (915, 81732), (973, 76860), (980, 76311), (1098, 68110), (1220, 61299), (1251, 59780), (1260, 59353), (1281, 58380), (1390, 53802), (1470, 50874), (1668, 44835), (1708, 43785), (1764, 42395), (1830, 40866), (1946, 38430), (2085, 35868), (2135, 35028), (2196, 34055), (2205, 33916), (2502, 29890), (2562, 29190), (2745, 27244), (2780, 26901), (2919, 25620), (2940, 25437), (2989, 25020), (3660, 20433), (3843, 19460), (3892, 19215), (4170, 17934), (4270, 17514), (4410, 16958), (4865, 15372), (5004, 14945), (5124, 14595), (5490, 13622), (5838, 12810), (5978, 12510), (6255, 11956), (6405, 11676), (6811, 10980), (7686, 9730), (8340, 8967), (8479, 8820), (8540, 8757)]