81123480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225343}}^1$

素因数の和:225360

約数の個数: 48

約数和(自身を含む): 263652480

約数和(自身を除く): 182529000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225343, 450686, 676029, 901372, 1126715, 1352058, 1802744, 2028087, 2253430, 2704116, 3380145, 4056174, 4506860, 5408232, 6760290, 8112348, 9013720, 10140435, 13520580, 16224696, 20280870, 27041160, 40561740, 81123480]

約数ペア:

[(1, 81123480), (2, 40561740), (3, 27041160), (4, 20280870), (5, 16224696), (6, 13520580), (8, 10140435), (9, 9013720), (10, 8112348), (12, 6760290), (15, 5408232), (18, 4506860), (20, 4056174), (24, 3380145), (30, 2704116), (36, 2253430), (40, 2028087), (45, 1802744), (60, 1352058), (72, 1126715), (90, 901372), (120, 676029), (180, 450686), (360, 225343)]