921580020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{3259}}^1$

素因数の和:4845

約数の個数: 72

約数和(自身を含む): 2798097120

約数和(自身を除く): 1876517100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1571, 3142, 3259, 4713, 6284, 6518, 7855, 9426, 9777, 13036, 14139, 15710, 16295, 18852, 19554, 23565, 28278, 29331, 31420, 32590, 39108, 47130, 48885, 56556, 58662, 65180, 70695, 94260, 97770, 117324, 141390, 146655, 195540, 282780, 293310, 586620, 5119889, 10239778, 15359667, 20479556, 25599445, 30719334, 46079001, 51198890, 61438668, 76798335, 92158002, 102397780, 153596670, 184316004, 230395005, 307193340, 460790010, 921580020]

約数ペア:

[(1, 921580020), (2, 460790010), (3, 307193340), (4, 230395005), (5, 184316004), (6, 153596670), (9, 102397780), (10, 92158002), (12, 76798335), (15, 61438668), (18, 51198890), (20, 46079001), (30, 30719334), (36, 25599445), (45, 20479556), (60, 15359667), (90, 10239778), (180, 5119889), (1571, 586620), (3142, 293310), (3259, 282780), (4713, 195540), (6284, 146655), (6518, 141390), (7855, 117324), (9426, 97770), (9777, 94260), (13036, 70695), (14139, 65180), (15710, 58662), (16295, 56556), (18852, 48885), (19554, 47130), (23565, 39108), (28278, 32590), (29331, 31420)]