51181020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25849}}^1$

素因数の和:25875

約数の個数: 72

約数和(自身を含む): 169369200

約数和(自身を除く): 118188180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25849, 51698, 77547, 103396, 129245, 155094, 232641, 258490, 284339, 310188, 387735, 465282, 516980, 568678, 775470, 853017, 930564, 1137356, 1163205, 1421695, 1550940, 1706034, 2326410, 2559051, 2843390, 3412068, 4265085, 4652820, 5118102, 5686780, 8530170, 10236204, 12795255, 17060340, 25590510, 51181020]

約数ペア:

[(1, 51181020), (2, 25590510), (3, 17060340), (4, 12795255), (5, 10236204), (6, 8530170), (9, 5686780), (10, 5118102), (11, 4652820), (12, 4265085), (15, 3412068), (18, 2843390), (20, 2559051), (22, 2326410), (30, 1706034), (33, 1550940), (36, 1421695), (44, 1163205), (45, 1137356), (55, 930564), (60, 853017), (66, 775470), (90, 568678), (99, 516980), (110, 465282), (132, 387735), (165, 310188), (180, 284339), (198, 258490), (220, 232641), (330, 155094), (396, 129245), (495, 103396), (660, 77547), (990, 51698), (1980, 25849)]