2155890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3650190

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 139, 141, 165, 235, 278, 282, 330, 417, 470, 517, 695, 705, 834, 1034, 1390, 1410, 1529, 1551, 2085, 2585, 3058, 3102, 4170, 4587, 5170, 6533, 7645, 7755, 9174, 13066, 15290, 15510, 19599, 22935, 32665, 39198, 45870, 65330, 71863, 97995, 143726, 195990, 215589, 359315, 431178, 718630, 1077945, 2155890]

約数ペア:

[(1, 2155890), (2, 1077945), (3, 718630), (5, 431178), (6, 359315), (10, 215589), (11, 195990), (15, 143726), (22, 97995), (30, 71863), (33, 65330), (47, 45870), (55, 39198), (66, 32665), (94, 22935), (110, 19599), (139, 15510), (141, 15290), (165, 13066), (235, 9174), (278, 7755), (282, 7645), (330, 6533), (417, 5170), (470, 4587), (517, 4170), (695, 3102), (705, 3058), (834, 2585), (1034, 2085), (1390, 1551), (1410, 1529)]