1290720

素因数分解:

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

素因数の和:2707

約数の個数: 48

約数和(自身を含む): 4067280

約数和(自身を除く): 2776560

約数列:

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

約数ペア:

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