328127940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{260419}}^1$

素因数の和:260441

約数の個数: 72

約数和(自身を含む): 1137514560

約数和(自身を除く): 809386620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 260419, 520838, 781257, 1041676, 1302095, 1562514, 1822933, 2343771, 2604190, 3125028, 3645866, 3906285, 4687542, 5208380, 5468799, 7291732, 7812570, 9114665, 9375084, 10937598, 11718855, 15625140, 16406397, 18229330, 21875196, 23437710, 27343995, 32812794, 36458660, 46875420, 54687990, 65625588, 82031985, 109375980, 164063970, 328127940]

約数ペア:

[(1, 328127940), (2, 164063970), (3, 109375980), (4, 82031985), (5, 65625588), (6, 54687990), (7, 46875420), (9, 36458660), (10, 32812794), (12, 27343995), (14, 23437710), (15, 21875196), (18, 18229330), (20, 16406397), (21, 15625140), (28, 11718855), (30, 10937598), (35, 9375084), (36, 9114665), (42, 7812570), (45, 7291732), (60, 5468799), (63, 5208380), (70, 4687542), (84, 3906285), (90, 3645866), (105, 3125028), (126, 2604190), (140, 2343771), (180, 1822933), (210, 1562514), (252, 1302095), (315, 1041676), (420, 781257), (630, 520838), (1260, 260419)]