256417488

素因数分解:

$2^4\times 3^5\times {\mathrm{65951}}^1$

素因数の和:65974

約数の個数: 60

約数和(自身を含む): 744202368

約数和(自身を除く): 487784880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 65951, 131902, 197853, 263804, 395706, 527608, 593559, 791412, 1055216, 1187118, 1582824, 1780677, 2374236, 3165648, 3561354, 4748472, 5342031, 7122708, 9496944, 10684062, 14245416, 16026093, 21368124, 28490832, 32052186, 42736248, 64104372, 85472496, 128208744, 256417488]

約数ペア:

[(1, 256417488), (2, 128208744), (3, 85472496), (4, 64104372), (6, 42736248), (8, 32052186), (9, 28490832), (12, 21368124), (16, 16026093), (18, 14245416), (24, 10684062), (27, 9496944), (36, 7122708), (48, 5342031), (54, 4748472), (72, 3561354), (81, 3165648), (108, 2374236), (144, 1780677), (162, 1582824), (216, 1187118), (243, 1055216), (324, 791412), (432, 593559), (486, 527608), (648, 395706), (972, 263804), (1296, 197853), (1944, 131902), (3888, 65951)]