20161495560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{540233}}^1$

素因数の和:540558

約数の個数: 64

約数和(自身を含む): 60679082880

約数和(自身を除く): 40517587320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 6220, 7464, 9330, 12440, 18660, 37320, 540233, 1080466, 1620699, 2160932, 2701165, 3241398, 4321864, 5402330, 6482796, 8103495, 10804660, 12965592, 16206990, 21609320, 32413980, 64827960, 168012463, 336024926, 504037389, 672049852, 840062315, 1008074778, 1344099704, 1680124630, 2016149556, 2520186945, 3360249260, 4032299112, 5040373890, 6720498520, 10080747780, 20161495560]

約数ペア:

[(1, 20161495560), (2, 10080747780), (3, 6720498520), (4, 5040373890), (5, 4032299112), (6, 3360249260), (8, 2520186945), (10, 2016149556), (12, 1680124630), (15, 1344099704), (20, 1008074778), (24, 840062315), (30, 672049852), (40, 504037389), (60, 336024926), (120, 168012463), (311, 64827960), (622, 32413980), (933, 21609320), (1244, 16206990), (1555, 12965592), (1866, 10804660), (2488, 8103495), (3110, 6482796), (3732, 5402330), (4665, 4321864), (6220, 3241398), (7464, 2701165), (9330, 2160932), (12440, 1620699), (18660, 1080466), (37320, 540233)]