1728875280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{654877}}^1$

素因数の和:654904

約数の個数: 80

約数和(自身を含む): 5846750784

約数和(自身を除く): 4117875504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 654877, 1309754, 1964631, 2619508, 3274385, 3929262, 5239016, 6548770, 7203647, 7858524, 9823155, 10478032, 13097540, 14407294, 15717048, 19646310, 21610941, 26195080, 28814588, 31434096, 36018235, 39292620, 43221882, 52390160, 57629176, 72036470, 78585240, 86443764, 108054705, 115258352, 144072940, 157170480, 172887528, 216109410, 288145880, 345775056, 432218820, 576291760, 864437640, 1728875280]

約数ペア:

[(1, 1728875280), (2, 864437640), (3, 576291760), (4, 432218820), (5, 345775056), (6, 288145880), (8, 216109410), (10, 172887528), (11, 157170480), (12, 144072940), (15, 115258352), (16, 108054705), (20, 86443764), (22, 78585240), (24, 72036470), (30, 57629176), (33, 52390160), (40, 43221882), (44, 39292620), (48, 36018235), (55, 31434096), (60, 28814588), (66, 26195080), (80, 21610941), (88, 19646310), (110, 15717048), (120, 14407294), (132, 13097540), (165, 10478032), (176, 9823155), (220, 7858524), (240, 7203647), (264, 6548770), (330, 5239016), (440, 3929262), (528, 3274385), (660, 2619508), (880, 1964631), (1320, 1309754), (2640, 654877)]