27681120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 96707520

約数和(自身を除く): 69026400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 360, 376, 409, 423, 470, 480, 564, 705, 720, 752, 818, 846, 940, 1128, 1227, 1410, 1440, 1504, 1636, 1692, 1880, 2045, 2115, 2256, 2454, 2820, 3272, 3384, 3681, 3760, 4090, 4230, 4512, 4908, 5640, 6135, 6544, 6768, 7362, 7520, 8180, 8460, 9816, 11280, 12270, 13088, 13536, 14724, 16360, 16920, 18405, 19223, 19632, 22560, 24540, 29448, 32720, 33840, 36810, 38446, 39264, 49080, 57669, 58896, 65440, 67680, 73620, 76892, 96115, 98160, 115338, 117792, 147240, 153784, 173007, 192230, 196320, 230676, 288345, 294480, 307568, 346014, 384460, 461352, 576690, 588960, 615136, 692028, 768920, 865035, 922704, 1153380, 1384056, 1537840, 1730070, 1845408, 2306760, 2768112, 3075680, 3460140, 4613520, 5536224, 6920280, 9227040, 13840560, 27681120]

約数ペア:

[(1, 27681120), (2, 13840560), (3, 9227040), (4, 6920280), (5, 5536224), (6, 4613520), (8, 3460140), (9, 3075680), (10, 2768112), (12, 2306760), (15, 1845408), (16, 1730070), (18, 1537840), (20, 1384056), (24, 1153380), (30, 922704), (32, 865035), (36, 768920), (40, 692028), (45, 615136), (47, 588960), (48, 576690), (60, 461352), (72, 384460), (80, 346014), (90, 307568), (94, 294480), (96, 288345), (120, 230676), (141, 196320), (144, 192230), (160, 173007), (180, 153784), (188, 147240), (235, 117792), (240, 115338), (282, 98160), (288, 96115), (360, 76892), (376, 73620), (409, 67680), (423, 65440), (470, 58896), (480, 57669), (564, 49080), (705, 39264), (720, 38446), (752, 36810), (818, 33840), (846, 32720), (940, 29448), (1128, 24540), (1227, 22560), (1410, 19632), (1440, 19223), (1504, 18405), (1636, 16920), (1692, 16360), (1880, 14724), (2045, 13536), (2115, 13088), (2256, 12270), (2454, 11280), (2820, 9816), (3272, 8460), (3384, 8180), (3681, 7520), (3760, 7362), (4090, 6768), (4230, 6544), (4512, 6135), (4908, 5640)]