64901280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{135211}}^1$

素因数の和:135229

約数の個数: 48

約数和(自身を含む): 204440544

約数和(自身を除く): 139539264

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, 135211, 270422, 405633, 540844, 676055, 811266, 1081688, 1352110, 1622532, 2028165, 2163376, 2704220, 3245064, 4056330, 4326752, 5408440, 6490128, 8112660, 10816880, 12980256, 16225320, 21633760, 32450640, 64901280]

約数ペア:

[(1, 64901280), (2, 32450640), (3, 21633760), (4, 16225320), (5, 12980256), (6, 10816880), (8, 8112660), (10, 6490128), (12, 5408440), (15, 4326752), (16, 4056330), (20, 3245064), (24, 2704220), (30, 2163376), (32, 2028165), (40, 1622532), (48, 1352110), (60, 1081688), (80, 811266), (96, 676055), (120, 540844), (160, 405633), (240, 270422), (480, 135211)]