51906780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16963}}^1$

素因数の和:16995

約数の個数: 72

約数和(自身を含む): 166722192

約数和(自身を除く): 114815412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16963, 33926, 50889, 67852, 84815, 101778, 152667, 169630, 203556, 254445, 288371, 305334, 339260, 508890, 576742, 610668, 763335, 865113, 1017780, 1153484, 1441855, 1526670, 1730226, 2595339, 2883710, 3053340, 3460452, 4325565, 5190678, 5767420, 8651130, 10381356, 12976695, 17302260, 25953390, 51906780]

約数ペア:

[(1, 51906780), (2, 25953390), (3, 17302260), (4, 12976695), (5, 10381356), (6, 8651130), (9, 5767420), (10, 5190678), (12, 4325565), (15, 3460452), (17, 3053340), (18, 2883710), (20, 2595339), (30, 1730226), (34, 1526670), (36, 1441855), (45, 1153484), (51, 1017780), (60, 865113), (68, 763335), (85, 610668), (90, 576742), (102, 508890), (153, 339260), (170, 305334), (180, 288371), (204, 254445), (255, 203556), (306, 169630), (340, 152667), (510, 101778), (612, 84815), (765, 67852), (1020, 50889), (1530, 33926), (3060, 16963)]