64451280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268547}}^1$

素因数の和:268563

約数の個数: 40

約数和(自身を含む): 199799712

約数和(自身を除く): 135348432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268547, 537094, 805641, 1074188, 1342735, 1611282, 2148376, 2685470, 3222564, 4028205, 4296752, 5370940, 6445128, 8056410, 10741880, 12890256, 16112820, 21483760, 32225640, 64451280]

約数ペア:

[(1, 64451280), (2, 32225640), (3, 21483760), (4, 16112820), (5, 12890256), (6, 10741880), (8, 8056410), (10, 6445128), (12, 5370940), (15, 4296752), (16, 4028205), (20, 3222564), (24, 2685470), (30, 2148376), (40, 1611282), (48, 1342735), (60, 1074188), (80, 805641), (120, 537094), (240, 268547)]