281752380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 1068447744

約数和(自身を除く): 786695364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 103, 105, 117, 126, 130, 140, 156, 167, 180, 182, 195, 206, 210, 234, 252, 260, 273, 309, 315, 334, 364, 390, 412, 420, 455, 468, 501, 515, 546, 585, 618, 630, 668, 721, 780, 819, 835, 910, 927, 1002, 1030, 1092, 1169, 1170, 1236, 1260, 1339, 1365, 1442, 1503, 1545, 1638, 1670, 1820, 1854, 2004, 2060, 2163, 2171, 2338, 2340, 2505, 2678, 2730, 2884, 3006, 3090, 3276, 3340, 3507, 3605, 3708, 4017, 4095, 4326, 4342, 4635, 4676, 5010, 5356, 5460, 5845, 6012, 6180, 6489, 6513, 6695, 7014, 7210, 7515, 8034, 8190, 8652, 8684, 9270, 9373, 10020, 10521, 10815, 10855, 11690, 12051, 12978, 13026, 13390, 14028, 14420, 15030, 15197, 16068, 16380, 17201, 17535, 18540, 18746, 19539, 20085, 21042, 21630, 21710, 23380, 24102, 25956, 26052, 26780, 28119, 30060, 30394, 32445, 32565, 34402, 35070, 37492, 39078, 40170, 42084, 43260, 43420, 45591, 46865, 48204, 51603, 52605, 56238, 60255, 60788, 64890, 65130, 68804, 70140, 75985, 78156, 80340, 84357, 86005, 91182, 93730, 97695, 103206, 105210, 112476, 120407, 120510, 129780, 130260, 136773, 140595, 151970, 154809, 168714, 172010, 182364, 187460, 195390, 206412, 210420, 223613, 227955, 240814, 241020, 258015, 273546, 281190, 303940, 309618, 337428, 344020, 361221, 390780, 421785, 447226, 455910, 481628, 516030, 547092, 562380, 602035, 619236, 670839, 683865, 722442, 774045, 843570, 894452, 911820, 1032060, 1083663, 1118065, 1204070, 1341678, 1367730, 1444884, 1548090, 1565291, 1687140, 1806105, 2012517, 2167326, 2236130, 2408140, 2683356, 2735460, 3096180, 3130582, 3354195, 3612210, 4025034, 4334652, 4472260, 4695873, 5418315, 6261164, 6708390, 7224420, 7826455, 8050068, 9391746, 10062585, 10836630, 13416780, 14087619, 15652910, 18783492, 20125170, 21673260, 23479365, 28175238, 31305820, 40250340, 46958730, 56350476, 70438095, 93917460, 140876190, 281752380]

約数ペア:

[(1, 281752380), (2, 140876190), (3, 93917460), (4, 70438095), (5, 56350476), (6, 46958730), (7, 40250340), (9, 31305820), (10, 28175238), (12, 23479365), (13, 21673260), (14, 20125170), (15, 18783492), (18, 15652910), (20, 14087619), (21, 13416780), (26, 10836630), (28, 10062585), (30, 9391746), (35, 8050068), (36, 7826455), (39, 7224420), (42, 6708390), (45, 6261164), (52, 5418315), (60, 4695873), (63, 4472260), (65, 4334652), (70, 4025034), (78, 3612210), (84, 3354195), (90, 3130582), (91, 3096180), (103, 2735460), (105, 2683356), (117, 2408140), (126, 2236130), (130, 2167326), (140, 2012517), (156, 1806105), (167, 1687140), (180, 1565291), (182, 1548090), (195, 1444884), (206, 1367730), (210, 1341678), (234, 1204070), (252, 1118065), (260, 1083663), (273, 1032060), (309, 911820), (315, 894452), (334, 843570), (364, 774045), (390, 722442), (412, 683865), (420, 670839), (455, 619236), (468, 602035), (501, 562380), (515, 547092), (546, 516030), (585, 481628), (618, 455910), (630, 447226), (668, 421785), (721, 390780), (780, 361221), (819, 344020), (835, 337428), (910, 309618), (927, 303940), (1002, 281190), (1030, 273546), (1092, 258015), (1169, 241020), (1170, 240814), (1236, 227955), (1260, 223613), (1339, 210420), (1365, 206412), (1442, 195390), (1503, 187460), (1545, 182364), (1638, 172010), (1670, 168714), (1820, 154809), (1854, 151970), (2004, 140595), (2060, 136773), (2163, 130260), (2171, 129780), (2338, 120510), (2340, 120407), (2505, 112476), (2678, 105210), (2730, 103206), (2884, 97695), (3006, 93730), (3090, 91182), (3276, 86005), (3340, 84357), (3507, 80340), (3605, 78156), (3708, 75985), (4017, 70140), (4095, 68804), (4326, 65130), (4342, 64890), (4635, 60788), (4676, 60255), (5010, 56238), (5356, 52605), (5460, 51603), (5845, 48204), (6012, 46865), (6180, 45591), (6489, 43420), (6513, 43260), (6695, 42084), (7014, 40170), (7210, 39078), (7515, 37492), (8034, 35070), (8190, 34402), (8652, 32565), (8684, 32445), (9270, 30394), (9373, 30060), (10020, 28119), (10521, 26780), (10815, 26052), (10855, 25956), (11690, 24102), (12051, 23380), (12978, 21710), (13026, 21630), (13390, 21042), (14028, 20085), (14420, 19539), (15030, 18746), (15197, 18540), (16068, 17535), (16380, 17201)]