201521280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{104959}}^1$

素因数の和:104981

約数の個数: 64

約数和(自身を含む): 642355200

約数和(自身を除く): 440833920

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 104959, 209918, 314877, 419836, 524795, 629754, 839672, 1049590, 1259508, 1574385, 1679344, 2099180, 2519016, 3148770, 3358688, 4198360, 5038032, 6297540, 6717376, 8396720, 10076064, 12595080, 13434752, 16793440, 20152128, 25190160, 33586880, 40304256, 50380320, 67173760, 100760640, 201521280]

約数ペア:

[(1, 201521280), (2, 100760640), (3, 67173760), (4, 50380320), (5, 40304256), (6, 33586880), (8, 25190160), (10, 20152128), (12, 16793440), (15, 13434752), (16, 12595080), (20, 10076064), (24, 8396720), (30, 6717376), (32, 6297540), (40, 5038032), (48, 4198360), (60, 3358688), (64, 3148770), (80, 2519016), (96, 2099180), (120, 1679344), (128, 1574385), (160, 1259508), (192, 1049590), (240, 839672), (320, 629754), (384, 524795), (480, 419836), (640, 314877), (960, 209918), (1920, 104959)]