256417440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{534203}}^1$

素因数の和:534221

約数の個数: 48

約数和(自身を含む): 807716448

約数和(自身を除く): 551299008

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, 534203, 1068406, 1602609, 2136812, 2671015, 3205218, 4273624, 5342030, 6410436, 8013045, 8547248, 10684060, 12820872, 16026090, 17094496, 21368120, 25641744, 32052180, 42736240, 51283488, 64104360, 85472480, 128208720, 256417440]

約数ペア:

[(1, 256417440), (2, 128208720), (3, 85472480), (4, 64104360), (5, 51283488), (6, 42736240), (8, 32052180), (10, 25641744), (12, 21368120), (15, 17094496), (16, 16026090), (20, 12820872), (24, 10684060), (30, 8547248), (32, 8013045), (40, 6410436), (48, 5342030), (60, 4273624), (80, 3205218), (96, 2671015), (120, 2136812), (160, 1602609), (240, 1068406), (480, 534203)]