2576820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 7334208

約数和(自身を除く): 4757388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 641, 670, 804, 1005, 1282, 1340, 1923, 2010, 2564, 3205, 3846, 4020, 6410, 7692, 9615, 12820, 19230, 38460, 42947, 85894, 128841, 171788, 214735, 257682, 429470, 515364, 644205, 858940, 1288410, 2576820]

約数ペア:

[(1, 2576820), (2, 1288410), (3, 858940), (4, 644205), (5, 515364), (6, 429470), (10, 257682), (12, 214735), (15, 171788), (20, 128841), (30, 85894), (60, 42947), (67, 38460), (134, 19230), (201, 12820), (268, 9615), (335, 7692), (402, 6410), (641, 4020), (670, 3846), (804, 3205), (1005, 2564), (1282, 2010), (1340, 1923)]