81465480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75431}}^1$

素因数の和:75451

約数の個数: 64

約数和(自身を含む): 271555200

約数和(自身を除く): 190089720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75431, 150862, 226293, 301724, 377155, 452586, 603448, 678879, 754310, 905172, 1131465, 1357758, 1508620, 1810344, 2036637, 2262930, 2715516, 3017240, 3394395, 4073274, 4525860, 5431032, 6788790, 8146548, 9051720, 10183185, 13577580, 16293096, 20366370, 27155160, 40732740, 81465480]

約数ペア:

[(1, 81465480), (2, 40732740), (3, 27155160), (4, 20366370), (5, 16293096), (6, 13577580), (8, 10183185), (9, 9051720), (10, 8146548), (12, 6788790), (15, 5431032), (18, 4525860), (20, 4073274), (24, 3394395), (27, 3017240), (30, 2715516), (36, 2262930), (40, 2036637), (45, 1810344), (54, 1508620), (60, 1357758), (72, 1131465), (90, 905172), (108, 754310), (120, 678879), (135, 603448), (180, 452586), (216, 377155), (270, 301724), (360, 226293), (540, 150862), (1080, 75431)]