61029990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 128

約数和(自身を含む): 190080000

約数和(自身を除く): 129050010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 659, 686, 735, 882, 945, 1029, 1318, 1323, 1470, 1715, 1890, 1977, 2058, 2205, 2646, 3087, 3295, 3430, 3954, 4410, 4613, 5145, 5931, 6174, 6590, 6615, 9226, 9261, 9885, 10290, 11862, 13230, 13839, 15435, 17793, 18522, 19770, 23065, 27678, 29655, 30870, 32291, 35586, 41517, 46130, 46305, 59310, 64582, 69195, 83034, 88965, 92610, 96873, 124551, 138390, 161455, 177930, 193746, 207585, 226037, 249102, 290619, 322910, 415170, 452074, 484365, 581238, 622755, 678111, 871857, 968730, 1130185, 1245510, 1356222, 1453095, 1743714, 2034333, 2260370, 2906190, 3390555, 4068666, 4359285, 6102999, 6781110, 8718570, 10171665, 12205998, 20343330, 30514995, 61029990]

約数ペア:

[(1, 61029990), (2, 30514995), (3, 20343330), (5, 12205998), (6, 10171665), (7, 8718570), (9, 6781110), (10, 6102999), (14, 4359285), (15, 4068666), (18, 3390555), (21, 2906190), (27, 2260370), (30, 2034333), (35, 1743714), (42, 1453095), (45, 1356222), (49, 1245510), (54, 1130185), (63, 968730), (70, 871857), (90, 678111), (98, 622755), (105, 581238), (126, 484365), (135, 452074), (147, 415170), (189, 322910), (210, 290619), (245, 249102), (270, 226037), (294, 207585), (315, 193746), (343, 177930), (378, 161455), (441, 138390), (490, 124551), (630, 96873), (659, 92610), (686, 88965), (735, 83034), (882, 69195), (945, 64582), (1029, 59310), (1318, 46305), (1323, 46130), (1470, 41517), (1715, 35586), (1890, 32291), (1977, 30870), (2058, 29655), (2205, 27678), (2646, 23065), (3087, 19770), (3295, 18522), (3430, 17793), (3954, 15435), (4410, 13839), (4613, 13230), (5145, 11862), (5931, 10290), (6174, 9885), (6590, 9261), (6615, 9226)]