31321680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10039}}^1$

素因数の和:10068

約数の個数: 80

約数和(自身を含む): 104576640

約数和(自身を除く): 73254960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10039, 20078, 30117, 40156, 50195, 60234, 80312, 100390, 120468, 130507, 150585, 160624, 200780, 240936, 261014, 301170, 391521, 401560, 481872, 522028, 602340, 652535, 783042, 803120, 1044056, 1204680, 1305070, 1566084, 1957605, 2088112, 2409360, 2610140, 3132168, 3915210, 5220280, 6264336, 7830420, 10440560, 15660840, 31321680]

約数ペア:

[(1, 31321680), (2, 15660840), (3, 10440560), (4, 7830420), (5, 6264336), (6, 5220280), (8, 3915210), (10, 3132168), (12, 2610140), (13, 2409360), (15, 2088112), (16, 1957605), (20, 1566084), (24, 1305070), (26, 1204680), (30, 1044056), (39, 803120), (40, 783042), (48, 652535), (52, 602340), (60, 522028), (65, 481872), (78, 401560), (80, 391521), (104, 301170), (120, 261014), (130, 240936), (156, 200780), (195, 160624), (208, 150585), (240, 130507), (260, 120468), (312, 100390), (390, 80312), (520, 60234), (624, 50195), (780, 40156), (1040, 30117), (1560, 20078), (3120, 10039)]