2581440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{2689}}^1$

素因数の和:2709

約数の個数: 56

約数和(自身を含む): 8199120

約数和(自身を除く): 5617680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 2689, 5378, 8067, 10756, 13445, 16134, 21512, 26890, 32268, 40335, 43024, 53780, 64536, 80670, 86048, 107560, 129072, 161340, 172096, 215120, 258144, 322680, 430240, 516288, 645360, 860480, 1290720, 2581440]

約数ペア:

[(1, 2581440), (2, 1290720), (3, 860480), (4, 645360), (5, 516288), (6, 430240), (8, 322680), (10, 258144), (12, 215120), (15, 172096), (16, 161340), (20, 129072), (24, 107560), (30, 86048), (32, 80670), (40, 64536), (48, 53780), (60, 43024), (64, 40335), (80, 32268), (96, 26890), (120, 21512), (160, 16134), (192, 13445), (240, 10756), (320, 8067), (480, 5378), (960, 2689)]