18123960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 55015200

約数和(自身を除く): 36891240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1697, 1780, 2136, 2670, 3394, 3560, 5091, 5340, 6788, 8485, 10182, 10680, 13576, 16970, 20364, 25455, 33940, 40728, 50910, 67880, 101820, 151033, 203640, 302066, 453099, 604132, 755165, 906198, 1208264, 1510330, 1812396, 2265495, 3020660, 3624792, 4530990, 6041320, 9061980, 18123960]

約数ペア:

[(1, 18123960), (2, 9061980), (3, 6041320), (4, 4530990), (5, 3624792), (6, 3020660), (8, 2265495), (10, 1812396), (12, 1510330), (15, 1208264), (20, 906198), (24, 755165), (30, 604132), (40, 453099), (60, 302066), (89, 203640), (120, 151033), (178, 101820), (267, 67880), (356, 50910), (445, 40728), (534, 33940), (712, 25455), (890, 20364), (1068, 16970), (1335, 13576), (1697, 10680), (1780, 10182), (2136, 8485), (2670, 6788), (3394, 5340), (3560, 5091)]