256419360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178069}}^1$

素因数の和:178090

約数の個数: 72

約数和(自身を含む): 875035980

約数和(自身を除く): 618616620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178069, 356138, 534207, 712276, 890345, 1068414, 1424552, 1602621, 1780690, 2136828, 2671035, 2849104, 3205242, 3561380, 4273656, 5342070, 5698208, 6410484, 7122760, 8013105, 8547312, 10684140, 12820968, 14245520, 16026210, 17094624, 21368280, 25641936, 28491040, 32052420, 42736560, 51283872, 64104840, 85473120, 128209680, 256419360]

約数ペア:

[(1, 256419360), (2, 128209680), (3, 85473120), (4, 64104840), (5, 51283872), (6, 42736560), (8, 32052420), (9, 28491040), (10, 25641936), (12, 21368280), (15, 17094624), (16, 16026210), (18, 14245520), (20, 12820968), (24, 10684140), (30, 8547312), (32, 8013105), (36, 7122760), (40, 6410484), (45, 5698208), (48, 5342070), (60, 4273656), (72, 3561380), (80, 3205242), (90, 2849104), (96, 2671035), (120, 2136828), (144, 1780690), (160, 1602621), (180, 1424552), (240, 1068414), (288, 890345), (360, 712276), (480, 534207), (720, 356138), (1440, 178069)]