128231460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101771}}^1$

素因数の和:101793

約数の個数: 72

約数和(自身を含む): 444540096

約数和(自身を除く): 316308636

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, 101771, 203542, 305313, 407084, 508855, 610626, 712397, 915939, 1017710, 1221252, 1424794, 1526565, 1831878, 2035420, 2137191, 2849588, 3053130, 3561985, 3663756, 4274382, 4579695, 6106260, 6411573, 7123970, 8548764, 9159390, 10685955, 12823146, 14247940, 18318780, 21371910, 25646292, 32057865, 42743820, 64115730, 128231460]

約数ペア:

[(1, 128231460), (2, 64115730), (3, 42743820), (4, 32057865), (5, 25646292), (6, 21371910), (7, 18318780), (9, 14247940), (10, 12823146), (12, 10685955), (14, 9159390), (15, 8548764), (18, 7123970), (20, 6411573), (21, 6106260), (28, 4579695), (30, 4274382), (35, 3663756), (36, 3561985), (42, 3053130), (45, 2849588), (60, 2137191), (63, 2035420), (70, 1831878), (84, 1526565), (90, 1424794), (105, 1221252), (126, 1017710), (140, 915939), (180, 712397), (210, 610626), (252, 508855), (315, 407084), (420, 305313), (630, 203542), (1260, 101771)]