1297526080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{941}}^1$

素因数の和:1128

約数の個数: 112

約数和(自身を含む): 3215761920

約数和(自身を除く): 1918235840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 139, 155, 160, 248, 278, 310, 320, 496, 556, 620, 695, 941, 992, 1112, 1240, 1390, 1882, 1984, 2224, 2480, 2780, 3764, 4309, 4448, 4705, 4960, 5560, 7528, 8618, 8896, 9410, 9920, 11120, 15056, 17236, 18820, 21545, 22240, 29171, 30112, 34472, 37640, 43090, 44480, 58342, 60224, 68944, 75280, 86180, 116684, 130799, 137888, 145855, 150560, 172360, 233368, 261598, 275776, 291710, 301120, 344720, 466736, 523196, 583420, 653995, 689440, 933472, 1046392, 1166840, 1307990, 1378880, 1866944, 2092784, 2333680, 2615980, 4054769, 4185568, 4667360, 5231960, 8109538, 8371136, 9334720, 10463920, 16219076, 20273845, 20927840, 32438152, 40547690, 41855680, 64876304, 81095380, 129752608, 162190760, 259505216, 324381520, 648763040, 1297526080]

約数ペア:

[(1, 1297526080), (2, 648763040), (4, 324381520), (5, 259505216), (8, 162190760), (10, 129752608), (16, 81095380), (20, 64876304), (31, 41855680), (32, 40547690), (40, 32438152), (62, 20927840), (64, 20273845), (80, 16219076), (124, 10463920), (139, 9334720), (155, 8371136), (160, 8109538), (248, 5231960), (278, 4667360), (310, 4185568), (320, 4054769), (496, 2615980), (556, 2333680), (620, 2092784), (695, 1866944), (941, 1378880), (992, 1307990), (1112, 1166840), (1240, 1046392), (1390, 933472), (1882, 689440), (1984, 653995), (2224, 583420), (2480, 523196), (2780, 466736), (3764, 344720), (4309, 301120), (4448, 291710), (4705, 275776), (4960, 261598), (5560, 233368), (7528, 172360), (8618, 150560), (8896, 145855), (9410, 137888), (9920, 130799), (11120, 116684), (15056, 86180), (17236, 75280), (18820, 68944), (21545, 60224), (22240, 58342), (29171, 44480), (30112, 43090), (34472, 37640)]